OO-623: fix some issues with display of lifecycle in details, fix wrong display in the select box in edit properties of course

OO-533: fix RS by bulk change if no item is selected in the details view, fix flexi table "0 showing 0", fix error search, add Indexer to probes

OO-533 UI tune the pool admin area, adding i18n intro help texts, new css classes to make master-detail view with menu panels

OO-682,OO-531: remove sound for new message on IE as it create an error or show a big play button which results that we cannot open the instant message window

OO-681: enhance the XSL stylesheet which outputs the results to handle interval of values as correct answer

OO-532: fix the callout which stay on the top left of the window after switching the view from month to week and so on

OO-533 various layout improvements question pool, streamlined highlight color in table, calendar and buttons

OO-623,OPENOLAT-128: prevent batch merge, configure, remove... in the groups lists if an item is managed, show a warning if it's the case, add some warnings too if there isn't no selected group for a batch operation