[#659] Added TimestampsMixin to ProjectComment model and admin
[#665] Fixed country and continent dropdowns
[#659] Merge branch 'develop' into feature/659_comment_datetime
Merge branch 'develop' of github.com:akvo/akvo-rsr into feature/632_rest_framework
[#665] Removed organisation filter for partnersites
[#659] Merge branch 'develop' into feature/659_comment_datetime
[#659] Updated migrations of project comment datetime
[#659] Merge branch 'develop' into feature/659_comment_datetime
[#632] Rename rest/rsr_project to rest/rsr_api_upload

Also a little cleanup
[#659] Updated migrations
[#659] Updated comment.time to comment.created_at in templates and views
[#709] Updated maps template with project updates
[#709] Updated all project maps with project update locations
[#690] Added content owner check to Cordaid pre_import script
[#690] Updated logs of content owner scenario
Merge pull request #714 from akvo/feature/690_cordaid_org_dupes

[#690] Added content owner check to Cordaid pre_import script
Merge pull request #711 from akvo/feature/709_maps_project_updates

[#709] Updated all project maps with project update locations
Merge pull request #707 from akvo/feature/659_comment_datetime

[#659] Added created_at and last_modified_at to project comments
Merge pull request #706 from akvo/feature/665_keywords_dropdown

[#665] Fixed 'active countries' dropdown for keyword partnersites
[#192] Initial commit for packaging models.py

Will have to be checked on:
- Circular imports
- User relations (import from django.contrib.auth instead of '')
- Functions outside of classes to models_utils.py
  - Clean up models_utils.py