2015-02-02 do not treat unsuccessful LcdFilter setting 
           as a fatal error
2014-12-02 fix bgr layout
           fix vertical layout
           add font-specimen.pc file
2014-12-01 allow color specimen
2014-11-13 monochrome fonts: black absorbs gray color 
           on the pixel, not vice versa
2014-07-11 font-specimen library created
