Change Bootstrap dependency

Due to the Bootstrap 3 RC1 update I have changed the dependency. In
particular I have removed a redundant one.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>
Update navigation bar to Bootstrap 3 changes

With Bootstrap 3 a lot has changed. Due to that change I have updated
the navigation bar.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>
Add new Glyphicon files through vendor assets

The glyphicon project is now run separately from Twitter Bootstrap.
Hence, I have downloaded the files and added them to the vendor
directory. For now the fonts reside in the public directory.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>
Adding dependencies and updating glyphicons

I have added the dependencies and started to update the glyphicon
classes.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>