rewrite save point.
initial font renderer, output to file option.
fix rendering.
graceful empty image handling.
draw missing glyph boxes, fix freetype cleanup, more testing.
add files needed for automake.
missing test.
autoconf updates - unit test deps only when debug enabled.
ubuntu compile fixes.
another include fix.
skip tests makefile generation when debug is not enabled.
sync latest boost m4.
update readme, kill old src.
markdownified readme.