fix duplicate symbols
first implementation with fontstash
buffering vertex data once
substring drawing
fontstash rendering now fits with ftgl except when drawing substrings
offseting glyphs for substring drawing
cached update no longer uses ftgl to compute width
no more ftgl usage
removing ftgl references/linker flags from xcode project
removing preprocessor fontstash test directives
copying font file into macos x bundle resources
renaming folders
cleaning, improving fontstash code
fix bad access violation
font error checks
subtexturing optimization, now adapted to opengl es
removed fontstash bbox debug draw
reduce texture update calls
outline drawing using sdfs
metrics exposure