! Clean up some of the stuff surrounding word censoring; there's no need to declare the theme setting for censoring in new installs, the wrong name was used for upgrades, SQLite tried to do it twice, and we had some undefined variables kicking around. Fixes #656 and #602 looks done to me too.

Signed-off-by: Peter Spicer <sleeping@myperch.org>
Merge pull request #673 from Arantor/release-2.1

! Clean up some of the stuff surrounding word censoring; there's no need...