Added needed styling for hierarchy tree to bootstrap.less so that the jsTree theme css doesn't need to be loaded (it breaks hierarchical facet display). Also added a translated "Loading" text with a spinner.

- Use new additions to browse-handler API.

- XML still partially supported for legacy Blueprint theme support.

* very minor change, proposed by a reference librarian
* simply emphasize the title by means of styling
* at the moment, I see no other usages

After a year of resisting the temptation not to.

- Resolves VUFIND-1018

http://github.com/seiyria/bootstrap-slider

Fixed the fix to the alphabrowse's fix to fix the fixed location of the information and title count.

Next page/items button rearrange in VuDL. Implemented per list button display. Redesigned next/prev item interface.

Next page/items button rearrange in VuDL. Implemented per list button display. Redesigned next/prev item interface.

Bootprint image icons applied to similar. Full silk icon set. Mobile icon reverted in form, overwritten to tablet icon for easier theming.