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'
Remove useless source key

* Key was already deactivated
Merge branch 'release/3.0.1.0'
Merge branch 'release/3.0.2.0'
Merge pull request #70 from priyankarani/develop

Added missing template for kanban view #4149
Added missing template for kanban view #4149
Release hotfix version 3.0.2.1
Merge branch 'hotfix/3.0.2.1' into develop
Replacing _json with serialize method & Flake8ify  #3895

Review ID - 2833002
Merge pull request #67 from param107/feature/task-3895

Replacing _json with serialize method #3895
Enabling csrf_token #4217
Merge pull request #72 from param107/feature/task-4217

Enabling csrf_token #4217
Deleting participant from Project #4236

 * Sentry Issue :http://sentry.openlabs.co.in/default/my-openlabs-production/group/2368/

 Review ID - 3093007
Added block for logo