Merge pull request #243 from inthause/documents

[NEW] Add document property type 'StorageUri'
Fixed Markdown parser to use Media's public URL.
[FIX] Method comment.
[REFACTOR] Use more locales.
[REFACTOR] Remove some JS logs.
[FIX] Handle some errors.
[REFACTOR] visual => visuals, pictogram => pictograms in products
[REFACTOR] billingArea => billingAreas in shops
[NEW] Partial implementation of product/category relation.
Removed useless console.log().
Added possibility to define custom quick actions, via the use of the <quick-actions></quick-actions> tag, inside the <rbs-document-list/>.
Merge pull request #244 from intportg/dev

Dev
Merge pull request #245 from fredericbonjour/Admin

Added possibility to define custom quick actions, via the use of the <quick-actions></quick-actions> tag.
[FIX] Errors in product editor.
[FIX] Errors in product editor.
Merge branch 'dev' of github.com:intportg/Change into dev
Merge pull request #246 from intportg/dev

Dev
Added FIXME
Added "extend" attribute to <rbs-document-list/> to extend it. Document pickers now use this instead of the "picker" attribute, which does not exist anymore.
[NEW] Add quick action in category list to view products
[REFACTOR] Better path for category/product web services
Merge pull request #247 from intportg/dev

[NEW] Add quick action in category list to view products
Enhanced Document Picker:
- template is loading without ngInclude and an error is correctly displayed when the template could not been loaded.
- templates are simplified: you only have to define the <rbs-document-list/> (header and buttons are now part of the picker).
- added buttons to add/replace the selection with the selected documents.