Loads of changes, most of them trying to automate the upgrade process.

- angular removed.
- bootstrap removed.
- angular-bootstrap removed.
- added npm configuration to install bower.
- added bower configuration to install angular, bootstrap and angular-bootstrap.
- minor improvements related to before changes.


To fetch the dependencies:
- cd Angular
- npm install
- bower install

I didn't test it... maybe I forgot something, but I want you to understand the idea. Avoid copy another repositories in yours: just use package managers.

Generated/downloaded files will be ignored by git.