add missing index for 'owner' column on images table.

Fixes bug 1214830

Change-Id: I13355cd53460188a5154aa3f50277c3e92335e28
Fix typo in protected property message

Fix for bug 1223861.

Change-Id: Idad6143fcd587779b94cb155ffbe489759275265
Merge "add missing index for 'owner' column on images table."