Fixed Multiple Result Set DBUpgrade w/MSSQL 2012

Fixes bug http://bugs.otrs.org/show_bug.cgi?id=9968
Added additional parameters for HistoryTicketGet() to get more detailed information (New parameters: StopHour, StopMinute, StopSecond).
Fixed HistoryTicketGet() cache key sort.
Fixed: Datepicker localization data could not be found! when choosing French canadian language (bug#9962).
Follow-up for bug#9962: make JSON handling more robust and simple.
Fixed bug#9946 - Misplaced pagination in ticket overviews.
Fixed bug#9973 - DashboardUserOnline wiget display problems.
Merge remote-tracking branch 'upstream/master' into otrs-master