Update CiviCRM submodule to 4.2.19

Change-Id: I548b8cd03f41cf7032cf407a26fe60f8107691d2
Merge "Update drupal submodule to 7.32"
Merge remote-tracking branch 'origin/master' into deployment

One more merge to get Civi 4.2.19 too

Change-Id: I42f85dc1fbd79d577d854b3432f17715c227798a