refs #41 Upgraded to Rails 4.1.1 & some cleanup

Upgraded to Rails 4.1.1
Added CodeClimate, CircleCI and TestCoverage bades
Update README
Bug fixed while increasing monthly paid leave

Monthly leave should get added even if DOJ is of previous month and day
> 15 if DOJ year is not current year
Added spec for it
Merge branch 'leave_application' of github.com:joshsoftware/intranet into leave_application
Use Ruby 2.1.0
Fix for: undefined method `validate_leave' for nil:NilClass

Need to update Joining date of new users
Removed unnecessary configuration
Merge branch 'interview_schedule' of github.com:joshsoftware/intranet into leave_application
Fixing problems in deployment

Check added to see if the google event exists in the database as well.
Commented and unnecessary files deleted.
Displat users in order by name
Err while assignign leave if leave_detail is empty
User is not registerable
Checking presence of user's public profile
refs #47

Views updated.
Partials deleted.
Merge branch 'leave_application' of github.com:joshsoftware/intranet into leave_application
Fixed bug:Error on name if public profile is empty
Check in view removed.

User authenticated in Schedules controller
Merge branch 'leave_application' of github.com:joshsoftware/intranet into leave_application
Circle CI Failure Resolved.

Spec File Modified. Factory.create User replaced with HR.
Changed omniauth callback redirection to root_url
Merge branch 'leave_application' of github.com:joshsoftware/intranet into leave_application