Adds user specific navigation widget
- Guest gives login + register
- Customer gives cart + logout
- Admin gives control panel + logout

Other touch ups include:
- Move header and footer includes from partials to index.html
- Fix the URLs of the rest services - omitted 'CyberSolution' from the path
- Add the bootstrap javascript library to enable the collapse transition
- Add jquery dependency for the aforementioned library
- Add bootstrap minimal theme