Reduces Role DB queries when rendering workspace tools list
Merge branch 'master' of https://github.com/claroline/CoreBundle into workspace-tool-list-role-upgrade
Merge pull request #907 from kitan1982/workspace-tool-list-role-upgrade

Reduces Role DB queries when rendering workspace tools list
Updating version of the portfolio bundle
Addds addChild method in ResourceNode
File mime type is now guessed from the extension
Merge pull request #908 from maxailloud/update-portfolio

Updating version of the portfolio bundle
Merge pull request #909 from kitan1982/resource-node-add-methods

Adds addChild method in ResourceNode
Rich textes can be imported (draft)
Merge branch 'master' of https://github.com/claroline/CoreBundle