TonicArtos/StickyGridHeaders — pull request #92 by nbutton23 (2014-05-08 18:54:52+00:00)
Title: Check to make sure we don't divide by 0

In StickyGridHeadersBaseAdapterWrapper -> unFilledSpacesInHeaderGroup if mNumColumns
is equal to zero we will have a divide by 0 exception. If mNumColumns is zero we just
return 0.