added volley helper; added posts list request
implemented sqlite storage and content provider for posts
fixed bug in content provider
added libraries
added posts list
implemented dynamic loding of list
implemented Posts list activity
added post details fragment adn activity
added TODO list
implemented gif loading
added gif viewer
implemented refresh; small fixes
improved gif viewer; implemented resizeble image views
deleted unused files
implemented ordering
Merge remote-tracking branch 'origin/development' into development
implemented working with progress bar for base activity
implemented showing rating
implemented request for comments and comments caching
fixed trigger in sql