VE editing on tablets in alpha

Requires this patch, Visualeditor and Parsoid installed,
and the following changes to be merged:

Dependency:  I786b63ab57518fc6af7761501259ed66592f70e3
Dependency: I708006fd6733cac89128bc76a1cd34c0d091c371

Change-Id: I09037c1ef289f8e871bc99372f2e2e810a250af4
Merge "VE editing on tablets in alpha"