xml bibrecord utils -> bibrecord.scripts
Merge remote-tracking branch 'egarciag-github/code-structure-bibrecord' into code-structure-with-webdeposit
ext.sqlalchemy: documentation
docs: git workflow initial release

Improved-by: Jiri Kuncar <jiri.kuncar@cern.ch>
docs: api, developers/modules improvements
cleaning deposit, workflows and js files
tags: popover start
extensions specified by exact paths
fixed import __future__
docs: added menu and breadcrumbs