[FIX]Remove extra duplicate method,show valid error msg when invalid db to drop, do_render method call after resolving fetch_langs and call always after fetch_db.
[FIX]add callback function to fetch_lang and in *drop db* which is not created,after drop it shows 'db succesfully droped'.
[IMP]
[FIX] web_calendar: today button should return the date_part only
[IMP] explain monkey patch
[FIX] problem in database manager when db list is desactivated
Launchpad automatic translations update.
[FIX] linting warnings in export
[IMP] option to only export selected records
[IMP] code cleanup, better use of jquery
[IMP] export view: use events hash
[IMP] allow export of selected records only