Merge pull request #41 from gdelhumeau/master

XE-1325: Integrate the Workspaces feature by default in the default XE distribution
Merge pull request #42 from gdelhumeau/master

XE-1325: Integrate the Workspaces feature by default in the default XE distribution.
XE-1325: Integrate the Workspaces feature by default in the default XE distribution.

* Fix the pom of xwiki-enterprise-ui-mainwiki in order to NOT include xwiki-enterprise-ui-wiki-all.