[fix bug 907131] Add django-cache-machine to Events model.
[fix bug 907132] Add django-cache-machine to Reports model.
Merge pull request #463 from akatsoulas/907132

[fix bug 907132] Add django-cache-machine to Reports model.
Merge pull request #466 from akatsoulas/907131

[fix bug 907131] Add django-cache-machine to Events model.
[fix bug 910135] Add django-cache-machine to Remozilla model.
Enhance factoryboy fixtures in profiles app
Merge pull request #473 from johngian/enhance-factory-fixtures

Enhance factoryboy fixtures in profiles app
Merge pull request #475 from akatsoulas/910135

[fix bug 910135] Add django-cache-machine to Remozilla model.
Add tastypie as a submodule

* Remove hardcoded tastypie directory under vendor-local/lib/python
* Add tastypie as a submodule
* Upgrade tastypie to latest release v0.9.15