Merge pull request #36 from goddesse/freetype2-iu-dev

fix small memory leak in _lcd_stem_align
Merge pull request #38 from goddesse/freetype2-iu-dev

There was an early return with no corresponding free for the malloc'ed known_stem_values. Now valgrind 3.9 doesn't complain of any possible leaks coming from the infinality patched libfreetype.so.
Merge pull request #39 from goddesse/freetype2-iu-dev

set have_outline_shifted properly in ftsmooth.c