Styling for login and application, updated alchemy

Updated alchemy in Gemfile.lock
Concept of logo for Winged Monkey
Background
Styled flash messages
Styled login
Basic correction of CSS in application
New _shared.css.scss partial
Merged _colors.css.scss into _vars.css.scss
Styling for application and enhanced login (part 2)

* Shell of the application (header, content, footer, sidebar)
* Home page (Application list) - not working JS for more details
* Launching process styling (list of Launchables, form, summary)
* Removed sticky footers
Added no-js for css fallbacks
Javascript toggle functionality, added no-js class to application and login layouts
OpenStack specific styling
Merge pull request #85 from jcoufal/basic_styling

Basic styling for Login and Application + JS (and no-js variants)