added SQLAlchemy_ImageAttach support
added store directory to gitignore
ImageService has a method to set cover_image
image store is included in core module
application now injects image storage context with each requests and tears down context after each request
fixed header
cleaned up imports
issue template uses locally stored issue cover image if available
updated requirements for to include SQLAlchemy-ImageAttach
cleaned up cruft
removed old import tool
added testing management commands
Whitespace
Added SetCoverImage Flask-Script command.
custom issue admin template. currently only adds the cover image
created google analytics account. Tracking id is included on settings page
reorganized flask script manager
commented ComicService class
flask-script now uses api backend (not frontend backend)
implemented AWS S3 support for images