LDEV-3293: Cast DAO methods' results to their return type.Java 8 is more restrictive about generics. Hibernate find() methods returns List<?> and it can not be quietly cast to List<SomeClass>. Each occurence was explicitly casted and warnings about the type being unchecked were supressed.
LDEV-3171: Give a Monitor an option to remove learner's content from activities when moving him backwards in a sequence.Implementation of content-removing method for most of tools.
LDEV-3070: Fix few minor errors in Tools. Pass notifyCloseURL to proper authoring page in some Tools.Make generation of Tool content a non read-only operation as it starts a database transaction which is later used for writing.
LDEV-2955 fixing JS error: unrecognized expression: .galleria img[@rel=""] which occurred as a result of @attributes were deprecated and removed from new jquery
LDEV-2868* updatedjquery.js,jquery-ui.js and jqgrid.js,jquery.layout.js,jqury.mobile.js,jqeury.form.js,jquery.autocomplete.js* removed repetitions of those libraries throughout all Lams* fixed some issues brought up by these updates* jquery.sizzle.js cut out from jquery.js and now it's a separate file
