diff --git a/app/assets/javascripts/app/lib/ui/jquery.ui.core.js b/app/assets/javascripts/app/lib/ui/jquery.ui.core.js
deleted file mode 100755
index 6d82ff138..000000000
--- a/app/assets/javascripts/app/lib/ui/jquery.ui.core.js
+++ /dev/null
@@ -1,314 +0,0 @@
-/*!
- * jQuery UI 1.8.17
- *
- * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
- * Dual licensed under the MIT or GPL Version 2 licenses.
- * http://jquery.org/license
- *
- * http://docs.jquery.com/UI
- */
-(function( $, undefined ) {
-
-// prevent duplicate loading
-// this is only a problem because we proxy existing functions
-// and we don't want to double proxy them
-$.ui = $.ui || {};
-if ( $.ui.version ) {
-	return;
-}
-
-$.extend( $.ui, {
-	version: "1.8.17",
-
-	keyCode: {
-		ALT: 18,
-		BACKSPACE: 8,
-		CAPS_LOCK: 20,
-		COMMA: 188,
-		COMMAND: 91,
-		COMMAND_LEFT: 91, // COMMAND
-		COMMAND_RIGHT: 93,
-		CONTROL: 17,
-		DELETE: 46,
-		DOWN: 40,
-		END: 35,
-		ENTER: 13,
-		ESCAPE: 27,
-		HOME: 36,
-		INSERT: 45,
-		LEFT: 37,
-		MENU: 93, // COMMAND_RIGHT
-		NUMPAD_ADD: 107,
-		NUMPAD_DECIMAL: 110,
-		NUMPAD_DIVIDE: 111,
-		NUMPAD_ENTER: 108,
-		NUMPAD_MULTIPLY: 106,
-		NUMPAD_SUBTRACT: 109,
-		PAGE_DOWN: 34,
-		PAGE_UP: 33,
-		PERIOD: 190,
-		RIGHT: 39,
-		SHIFT: 16,
-		SPACE: 32,
-		TAB: 9,
-		UP: 38,
-		WINDOWS: 91 // COMMAND
-	}
-});
-
-// plugins
-$.fn.extend({
-	propAttr: $.fn.prop || $.fn.attr,
-
-	_focus: $.fn.focus,
-	focus: function( delay, fn ) {
-		return typeof delay === "number" ?
-			this.each(function() {
-				var elem = this;
-				setTimeout(function() {
-					$( elem ).focus();
-					if ( fn ) {
-						fn.call( elem );
-					}
-				}, delay );
-			}) :
-			this._focus.apply( this, arguments );
-	},
-
-	scrollParent: function() {
-		var scrollParent;
-		if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
-			scrollParent = this.parents().filter(function() {
-				return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
-			}).eq(0);
-		} else {
-			scrollParent = this.parents().filter(function() {
-				return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
-			}).eq(0);
-		}
-
-		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
-	},
-
-	zIndex: function( zIndex ) {
-		if ( zIndex !== undefined ) {
-			return this.css( "zIndex", zIndex );
-		}
-
-		if ( this.length ) {
-			var elem = $( this[ 0 ] ), position, value;
-			while ( elem.length && elem[ 0 ] !== document ) {
-				// Ignore z-index if position is set to a value where z-index is ignored by the browser
-				// This makes behavior of this function consistent across browsers
-				// WebKit always returns auto if the element is positioned
-				position = elem.css( "position" );
-				if ( position === "absolute" || position === "relative" || position === "fixed" ) {
-					// IE returns 0 when zIndex is not specified
-					// other browsers return a string
-					// we ignore the case of nested elements with an explicit value of 0
-					// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
-					value = parseInt( elem.css( "zIndex" ), 10 );
-					if ( !isNaN( value ) && value !== 0 ) {
-						return value;
-					}
-				}
-				elem = elem.parent();
-			}
-		}
-
-		return 0;
-	},
-
-	disableSelection: function() {
-		return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) +
-			".ui-disableSelection", function( event ) {
-				event.preventDefault();
-			});
-	},
-
-	enableSelection: function() {
-		return this.unbind( ".ui-disableSelection" );
-	}
-});
-
-$.each( [ "Width", "Height" ], function( i, name ) {
-	var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
-		type = name.toLowerCase(),
-		orig = {
-			innerWidth: $.fn.innerWidth,
-			innerHeight: $.fn.innerHeight,
-			outerWidth: $.fn.outerWidth,
-			outerHeight: $.fn.outerHeight
-		};
-
-	function reduce( elem, size, border, margin ) {
-		$.each( side, function() {
-			size -= parseFloat( $.curCSS( elem, "padding" + this, true) ) || 0;
-			if ( border ) {
-				size -= parseFloat( $.curCSS( elem, "border" + this + "Width", true) ) || 0;
-			}
-			if ( margin ) {
-				size -= parseFloat( $.curCSS( elem, "margin" + this, true) ) || 0;
-			}
-		});
-		return size;
-	}
-
-	$.fn[ "inner" + name ] = function( size ) {
-		if ( size === undefined ) {
-			return orig[ "inner" + name ].call( this );
-		}
-
-		return this.each(function() {
-			$( this ).css( type, reduce( this, size ) + "px" );
-		});
-	};
-
-	$.fn[ "outer" + name] = function( size, margin ) {
-		if ( typeof size !== "number" ) {
-			return orig[ "outer" + name ].call( this, size );
-		}
-
-		return this.each(function() {
-			$( this).css( type, reduce( this, size, true, margin ) + "px" );
-		});
-	};
-});
-
-// selectors
-function focusable( element, isTabIndexNotNaN ) {
-	var nodeName = element.nodeName.toLowerCase();
-	if ( "area" === nodeName ) {
-		var map = element.parentNode,
-			mapName = map.name,
-			img;
-		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
-			return false;
-		}
-		img = $( "img[usemap=#" + mapName + "]" )[0];
-		return !!img && visible( img );
-	}
-	return ( /input|select|textarea|button|object/.test( nodeName )
-		? !element.disabled
-		: "a" == nodeName
-			? element.href || isTabIndexNotNaN
-			: isTabIndexNotNaN)
-		// the element and all of its ancestors must be visible
-		&& visible( element );
-}
-
-function visible( element ) {
-	return !$( element ).parents().andSelf().filter(function() {
-		return $.curCSS( this, "visibility" ) === "hidden" ||
-			$.expr.filters.hidden( this );
-	}).length;
-}
-
-$.extend( $.expr[ ":" ], {
-	data: function( elem, i, match ) {
-		return !!$.data( elem, match[ 3 ] );
-	},
-
-	focusable: function( element ) {
-		return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
-	},
-
-	tabbable: function( element ) {
-		var tabIndex = $.attr( element, "tabindex" ),
-			isTabIndexNaN = isNaN( tabIndex );
-		return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
-	}
-});
-
-// support
-$(function() {
-	var body = document.body,
-		div = body.appendChild( div = document.createElement( "div" ) );
-
-	$.extend( div.style, {
-		minHeight: "100px",
-		height: "auto",
-		padding: 0,
-		borderWidth: 0
-	});
-
-	$.support.minHeight = div.offsetHeight === 100;
-	$.support.selectstart = "onselectstart" in div;
-
-	// set display to none to avoid a layout bug in IE
-	// http://dev.jquery.com/ticket/4014
-	body.removeChild( div ).style.display = "none";
-});
-
-
-
-
-
-// deprecated
-$.extend( $.ui, {
-	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
-	plugin: {
-		add: function( module, option, set ) {
-			var proto = $.ui[ module ].prototype;
-			for ( var i in set ) {
-				proto.plugins[ i ] = proto.plugins[ i ] || [];
-				proto.plugins[ i ].push( [ option, set[ i ] ] );
-			}
-		},
-		call: function( instance, name, args ) {
-			var set = instance.plugins[ name ];
-			if ( !set || !instance.element[ 0 ].parentNode ) {
-				return;
-			}
-	
-			for ( var i = 0; i < set.length; i++ ) {
-				if ( instance.options[ set[ i ][ 0 ] ] ) {
-					set[ i ][ 1 ].apply( instance.element, args );
-				}
-			}
-		}
-	},
-	
-	// will be deprecated when we switch to jQuery 1.4 - use jQuery.contains()
-	contains: function( a, b ) {
-		return document.compareDocumentPosition ?
-			a.compareDocumentPosition( b ) & 16 :
-			a !== b && a.contains( b );
-	},
-	
-	// only used by resizable
-	hasScroll: function( el, a ) {
-	
-		//If overflow is hidden, the element might have extra content, but the user wants to hide it
-		if ( $( el ).css( "overflow" ) === "hidden") {
-			return false;
-		}
-	
-		var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
-			has = false;
-	
-		if ( el[ scroll ] > 0 ) {
-			return true;
-		}
-	
-		// TODO: determine which cases actually cause this to happen
-		// if the element doesn't have the scroll set, see if it's possible to
-		// set the scroll
-		el[ scroll ] = 1;
-		has = ( el[ scroll ] > 0 );
-		el[ scroll ] = 0;
-		return has;
-	},
-	
-	// these are odd functions, fix the API or move into individual plugins
-	isOverAxis: function( x, reference, size ) {
-		//Determines when x coordinate is over "b" element axis
-		return ( x > reference ) && ( x < ( reference + size ) );
-	},
-	isOver: function( y, x, top, left, height, width ) {
-		//Determines when x, y coordinates is over "b" element
-		return $.ui.isOverAxis( y, top, height ) && $.ui.isOverAxis( x, left, width );
-	}
-});
-
-})( jQuery );