Merge branch 'release/2.4.1.0' into develop
migrated to 3.0 #3379

Review ID: 1513002
Merge pull request #3 from tarunbhardwaj/feature/task-3379

migrated to 3.0 #3379
Refactored urls to use route #4391
Merge pull request #7 from goyal1092/feature/task-4391

Refactored urls to use route #4391
Refactored chat code #4564

* Replaced _json with serialize
* Moved nereid.user related methods to nereid.user
* Removed success from response
* Removed status from all response. Its good to depend on http status codes.
Flakeify and add flake8 in travis.yml #4564
Merge pull request #8 from tarunbhardwaj/refactored

Re-factored chat code #4564
Implemented token for chat #4564

* Added Web handler to generate token and fetching stream
  via generated token.
* Updated README.rst for token usage explanation.
* Added redis service in travis.yml

Review ID: 10763001
Merge pull request #9 from tarunbhardwaj/token

Implemented token for chat #4564
Add openlabs prefix to package name
Merge
Release version 3.0.1.0
Merge branch 'release/3.0.1.0'