Added language table and category model
Removed body top padding
ignore thumbs.db
Integrate public assets with assets pipeline
added unit test for admin_controller
Add html5shiv and respond gems
Integrate Bootstrap and D3
Fix Gemfile.lock
Merge branch 'frontend-dev' into backend-dev-assets
Fix merge
Merge branch 'backend-dev-assets' into backend-dev
add unit test for narrative_controller and  clean the testing uploaded files
add validation of file type for uploading and corressponding test.
Merge pull request #3 from felixsoum/backend-dev

add validation of file type for uploading and corressponding test.
added model for narrative comment
Add ignore for coverage folder
Remove coverage folder
Merge pull request #4 from felixsoum/backend-dev

added model for narrative comment
Fix upload MIME validation
Fix AdminController test removing all narratives
Update NarrativeCount initial value to 1000
Clean up database