Sync to WebODF 8d8fc0216874b9dd9e3e3eef68dd2474a11f02f3.

* Collaborative virtual selections for iOS Safari.
Merge pull request #218 from adityab/webodf-sync-2014-03-07

Sync to WebODF 8d8fc0216874b9dd9e3e3eef68dd2474a11f02f3.