Fixing some random WikiGrok issues and regressions

* Better fix for limiting tag number
* Need to hide the notice div on the thanks panel in version A,
  otherwise there's extra whitespace
* Fixing tag message insertion in version B (missing dot)

Change-Id: I7dd68987fdb0e905bafc32ff5b907138286d8ce0
Merge "Fixing some random WikiGrok issues and regressions"