jasmine: registry fix

* Includes also normal js files not only the tests.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
Reviewed-by: Javier Martin Montull <javier.martin.montull@cern.ch>
jasmine: fix for ASSETS_DEBUG=False

* Adds init.js for jasmine extension.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
Reviewed-by: Javier Martin Montull <javier.martin.montull@cern.ch>
jasmine: tests helpers

* Adds event_checker and initialization checker to quickly check
  properly connected events and initialization of variables in js
  objects.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
Reviewed-by: Javier Martin Montull <javier.martin.montull@cern.ch>
search: facets

* Adds a new configurable gui engine for facets.

* Adds two facets themes at search/static/js/facets/configuration.

* NOTE to activate a theme change the requirejs path in its template
  block in search.html template, change the js file in init.js in
  your overlay to the chosen one, and add the correcponding css to
  search bundle. All the frontend behaviour should be programmed at
  the theme, not inside facets engine.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
Reviewed-by: Javier Martin Montull <javier.martin.montull@cern.ch>
search: jasmine tests for facets

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
Reviewed-by: Javier Martin Montull <javier.martin.montull@cern.ch>