7.x-1.0-beta1

- New features
- Some bug fixes

 + [9e3e03b] Introduce libraries context in items translations
 + [33ca687] R471: Fix error message
 + [e5d9cc6] R471: Fix use of undefined variables in taxonomy plugin
 + [0ea91e5] R471: Check that global configuration variables are properly set
 + [46d2d9c] R471: Fix warnings
 + [b181bb7] R50, Follow-up: CAS Authentication.
 + [6ae9af5] R50, Follow-up: CAS Authentication.
 + [3fd7318] R50: CAS Authentication.
 + [eaeaac3] R528 - Move reason for 'not renewals' in connector
 + [b9dab5e] R514 - Reset cache when showing mapping overview page
 + [0c317c4] R523: Do not use function of feeds/mappers/text.inc
 + [e532a68] R523: Fix Feeds function name
 + [2ab48b6] R502: Use Amazon API to format value to ASIN during harvest
 + [9ed35b9] R502: New module Opac ASIN
 + [aa42a7f] R505: Remove concatenation plugin from OPAC module
 + [88ccc34] R485: Fix items link
 + [a610130] R485: Fix items link
 + [c5e236c] R485: Fix items link
 + [406ed0b] R495 - Make items taxonomy don't use vid.
 + [b0a71f9] R495 - Provide static variable $vid in taxonomy plugin.
 + [1ee14c9] Taxonomy plugin use vocabulary machine name instead of vid.
 + [3f6aba5] R504 - follow up
 + [ed60e88] R504 - Add --file paramter to opac-harvest drush command.
 + [53d64d0] R501: Remove module opac_cover
 + [3432aed] R524: Fix warning 'Undefined index: file'
 + [08caebd] R502: New module Opac ASIN
 + [e696f88] R501: Remove module opac_cover