[NEW] Support for imagick based resizing
Merge pull request #307 from franckstauffer/imagick

[NEW] Support for imagick based resizing
[UPDATE] Provide an interface to manage plugins
[UPDATE] Improve Plugins interface
[UPDATE] New Unit tests for Plugins
[UPDATE] New Unit Tests for User and Permissions
Merge pull request #308 from renaudJennyRBS/plugins

Provide an interface to manage plugins, and add some Unit Tests
[FIX] Some improvements in thumbnail generation
Removed console.log
Merge pull request #309 from franckstauffer/imagick

Some fixes on thumbnails
Add new document Rbs_Catalog_Attribute
Fix rbs-attribute-editor angular directive.
Merge pull request #310 from inthause/documents

Add new document Rbs_Catalog_Attribute
Merge pull request #311 from fredericbonjour/Admin

Improvements in `<rbs-document-list/>`, User profile and dates display.
Added event to refresh the menu of an Editor. Used in the Attributes section of a Product, where the fields are dynamic.
Fixed Models loading in Models service.
"selection" parameter is now optional on Actions declaration.
In Markdown editor, fixed publishable Documents and Media selectors.
Removed unused variables.
Added possibility to define the size (max-width and max-height) for images in the Markdown parser.