** Added contextmenu plugin
Merge branch 'FTR-40_CALEVT' of github.com:otavanopisto/muikku into FTR-40_CALEVT
** Added working contextmenu for editing calendar events
Merge branch 'FTR-40_CALEVT' of github.com:otavanopisto/muikku into FTR-40_CALEVT