Separated Data-Review from File. Commented 'Mobwrite', 'Meeting' app's url's and setting's

**Separated *Data-Review* code from *File* View and Url:**
- Separated data-review code from ```File.py``` view and urls.
- Created new View and Url file ```data_review.py```.

**Commented *Meeting* and *Mobwrite* app**:
- Commented code from ```__init__.py``` file.
- Commented configuration, settings parameters and modules from ```INSTALLED_APPS```.