Added google-api to composer.json
Added calendar event
fixed date format & added in out time control
added CSR and LEAVE reports functionality and fixed css/javascript bugs
added in/out time to user form
merged calendar-module with master branch
CSS fixes in jquery datatables css and other view files
Added functionality for adding half(first/second) day leave
resolved leave calculation bug and added function for calculating remaining leaves
merged calendar-module wih master branch and fixed conflicts