base: absolute icon font path

* Forcing the font path to be absolute. Otherwise less.js is confused,
  the problem doesn't occur when the stylesheet it compiled though.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Reported-by: Jan Åge Lavik <jan.age.lavik@cern.ch>
base: render field enhancement

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
groups: account settings fixes

* NOTE: please upgrade *SQLAlchemy-Utils*
  $ pip install --upgrade SQLAlchemy-Utils<0.24.0

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
assets: require.js + uglify.js

* Updating webassets and Flask-Assets to 0.10-dev.
  BROKEN see: https://github.com/miracle2k/flask-assets/pull/67

* Hacking the assets extension to remove the initial "/" to js modules
  otherwise r.js is confused.

* Grouping the invenio.js with bootstrap.js.
  It's a PROOF OF CONCEPT! THINGS ARE GONNA BREAK!!

* Using require.js in dev and almond.js in production.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
base: using bootstrap 3 via require.js

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>