Revert "Qt single finger gesture lock for OS X"

This reverts commit c7b9e706f7948d16cc1e079e08f9a8879164c4fd.
Revert "Qt single finger gesture lock"

This reverts commit d4f42805990386827093e8273e348a66b3bb0f82.
Merge pull request #151 from gtalusan/kobo

Remove patches for maxGlobalTouchPoints.
apply https://github.com/ridiculousfish/libdivide/pull/5
Merge pull request #155 from gtalusan/kobo

apply https://github.com/ridiculousfish/libdivide/pull/5
disable tree vectorize optimizations
Merge pull request #156 from gtalusan/kobo

disable tree vectorize optimizations
don't clip metrics so we can cache big glyphs
Merge pull request #157 from gtalusan/kobo

don't clip metrics so we can cache big glyphs
fix buffer overflow
Merge pull request #158 from gtalusan/kobo

fix buffer overflow
disable Freetype edge hinter when hinting is turned off
Merge pull request #160 from gtalusan/kobo

disable Freetype edge hinter when hinting is turned off