Add options page
Ident for 2 spaces
Refactor options script
Add options and logic to background page
Update unload script to include several options: css links and inline styles
Update to match jslint rules
Add bootstrap UI
Add bootstrap switch
Add switches for checkboxes
Style and reformat the options page
Update manifest
Add screenshots
remove unneded extension
Merge branch 'feature/remove-styles-and-images' into master-2