ofTrueTypeFont: fix spacing, kerning, hinting and clean code. Closes #2787
Fix for parsing a string of format "r,g,b,a" (without comma's). This adds proper support for the XML standard.
Added ofDirectory canRead/Write/Execute functions. Fixed #1669
emscripten port
compile.core.mk: fix core clean target
add emscripten makefile config
addons .gitignore for emscripten
Merge branch 'master' into feature-emscripten
Merge branch 'master' into feature-emscripten
emscripten: html5video gray format was incorrect
emscripten video: faster RGBA->gray conversion
emscripten video: faster conversion RGBA->gray
emscripten video: faster RGBA->grayscale
Merge branch 'master' into feature-emscripten
emscripten: use same timming calls as in linux
emscripten: URL file loader implementation
emscripten: alert and text dialogs
ofTrueTypeFont: Compute initial lineHeight using font metrics instead of a guess
ofTrueTypeFont: Add ascender, descender and glyph bounding box metrics
programmable lights & materials + separate view matrix