puppet-plugin: added expanduser call on cert paths
Merge pull request #1211 from xliiv/puppetdb-api-paths

puppet-plugin: added expanduser call on cert paths
Added django-rest-framework

- Added to setup.py django-rest-framework
- Added to INSTALLED_APPS rest_framework
Merge pull request #1214 from kula1922/feature/add-django-rest-framework

Added django-rest-framework
Merge remote-tracking branch 'allegro/develop' into develop