Add UI for enabling/disabling the removal of passed ref tests.
Add UI for enabling/disabling the removal of passed ref tests.

baiyanghese/processing-js,guazipi/processing-js,jeresig/processing-js,guazipi/processing-js,jaredly/processing-js,jeresig/processing-js,baiyanghese/processing-js,jaredly/processing-js,kevinb7/processing-js,kevinb7/processing-js