Merge pull request #356 from JoesCat/master

re-use 8 in the 16, and re-use 16 in the 32 xbm. Minor update to xpm
In gutils/gimagereadxbm.c, tested a few short samples, made long work too.
Updating metrics view selected glyph color of default theme
Update fontforge/pixmaps/tango/resources

Removed blue and red gradient coloring from default and cancel buttons.
Merge remote-tracking branch 'upstream/master'