Merge pull request #17 from prakashpp/develop

Fixed nereid user name issue #3706
Release version 3.0.1.1
Merge branch 'release/3.0.1.1' into develop
Fixed register using facebook #3926

Sentry Issue: http://sentry.openlabs.co.in/default/my-openlabs-production/group/2277/
Merge pull request #18 from prakashpp/feature/task-3926

Fixed register using facebook #3926
Release version 3.0.1.2
Merge branch 'release/3.0.1.2' into develop
Fixed flake8 issues #4203
Merge pull request #20 from GauravButola/feature/task-4203

Fixed flake8 issues #4203
Refactoring for flask-login