Merge pull request #48 from sdeleuze/master

Upgrade Backbone Datagrid from 0.3.0 to 0.3.2
Update resthub backbone stack
Merge pull request #49 from johanpoirier/master

Update resthub backbone stack
[maven-release-plugin] prepare release resthub-2.1.0-rc1
[maven-release-plugin] prepare for next development iteration
Upgrade to latest Backbone stack