LDEV-1251, LDEV-1064. Refactored the way lessons are retrieved for the index page (fixed LDEV-1064); added interface 1.2 (jquery extension), allowing sorting of lessons via drag and drop (LDEV-1251); added ordered_lesson_ids column to lams_organisation (LDEV-1251).
LDEV-1370 Branching view now can display branch connectors and transitions correctly and link up the correct controllers. Transparent cover now resizes correctly.
LDEV-1374: Moving the fix to encode filename (done for LDEV-1243) into FileUtil in lams.jar, so that it can be using to encode the filenames of files coming from the content repository.
LDEV-1250, LDEV-1252, LDEV-1253: adding jquery 1.2.1, refactor index action into new DisplayGroupAction which can be called to display a jsp containing only the group specified