- skip all tests if we can't load the font

 - skip all tests if we can't load the font

 - Save test results to ppm, so we can generate images even if we don't
   have PNG support in Imager.

 - instead of the old draw-no-aa-then-blur-the-result hack, we now use
   arc()'s aa option

 - tests now use Test::More

 - remove the old circle fudge hack, since Imager fixed arc fills a
   while ago

 - strictify Makefile.PL, include the LICENSE, use the correct version
   check for including the extra WriteMakefile keys