Merge branch 'hotfix/2.6.1.1'
Merge branch 'release/2.6.2.0'
Merge branch 'release/2.6.3.0'
Merge branch 'release/2.8.0.1'
Merge branch 'release/2.8.0.2'
Merge branch 'release/2.8.0.3'
Merge branch 'release/2.8.0.4'
Merge pull request #52 from priyankarani/migration

Migrate to 3.0 #3127
Remove useless source key

* Key was already deactivated
Remove useless source key

* Key was already deactivated
Gantt chart page is empty #3716

Sentry Issue: http://sentry.openlabs.co.in/default/my-openlabs-production/group/2248/
Merge pull request #53 from prakashpp/feature/task-3716

Gantt chart page is empty #3716
Employee has no attribute name #3717

Sentry Issue: http://sentry.openlabs.co.in/default/my-openlabs-production/group/2249/
Merge pull request #54 from prakashpp/feature/task-3717

Employee has no attribute name #3717
Fixed timesheet view #3728

Sentry Issue: http://sentry.openlabs.co.in/default/my-openlabs-production/group/2260/
Merge pull request #55 from prakashpp/feature/task-3728

Fixed timesheet view #3728
Fixed upload file xhr request handler #3707

Sentry Issue: http://sentry.openlabs.co.in/default/my-openlabs-production/group/2243/
Merge pull request #56 from prakashpp/feature/task-3707

Fixed upload file xhr request handler #3707
Users must be unique per project #3764

Sentry Issue: http://sentry.openlabs.co.in/default/my-openlabs-production/group/2271/

Review ID: 2033002
Merge pull request #57 from prakashpp/feature/task-3764

Users must be unique per project #3764