LDEV-3070: Allow enabling single activity lessons for each organisation, not globally in sysadmin panel.Sort Tool names. Use their i18n names instead ones from DB.Fix layout issues. Fix bugs in Daco Tool.
LDEV-2926* removed XDoclet tags from Java classes that generate them improperly and thus already possess static .hbm.xml files.* removed static .hbm.xml files in cases when they can be produced using Xdoclet information
LDEV-2926* removed XDoclet tags from Java classes that generate them improperly and thus already possess static .hbm.xml files.* removed static .hbm.xml files in cases when they can be produced using Xdoclet information
LDEV-2782: On Index page show lesson having conditions when its finish date is set.Allow setting lesson finish date either individually for every user or for lesson as a whole.Adjust lesson conditions thickbox labels and form elements.
LDEV-2782: Rename table with lesson condtions for better reflection of its function.Add icon and thickbox on Index page, showing release conditions of given lesson.Allow removing conditions.