Update: twitter bootstrap and font-awesome.

Twitter bootstrap to 2.3.1 and
font-awesome to 3.0.2.
Add new bootstrap files.
Added fonts.
Update bootstrap readme.
Set correct path for font-awesome.
Strip makefile of anything useful.

The twitter bootstrap makefile has all the useful parts.
Merge remote-tracking branch 'origin/bootstrap-2.3.1' into bootstrap-2.3.1
Update documentation for bootstrap.js.
Update tooltip javascript for lizard use.

The tooltip/popover didn't display properly in the navigation sidebar.
Merge branch 'bootstrap-2.3.1' of github.com:lizardsystem/lizard-ui into bootstrap-2.3.1
Merge pull request #25 from lizardsystem/bootstrap-2.3.1

Update to Bootstrap 2.3.1