Landing and Examples 

addresses features bar aspect of: https://github.com/GraphAlchemist/Alchemy/issues/173

Added modules and controllers to the application for the features carousel and the examples page
Fixes examples hashing problem when exiting full app
Added angular-bootstrap as a dependency
Trimmed down some of the bootstrap scripts in index.html (more or all can probably be removed and used in angular-bootstrap instead)
Minor style changes to landing page