add functionality to measure text without rendering it
Fixed 64-bit warnings.
add max advance to fontInfo
make sure pen position always refers to top left + remove measureText + append substring
add Text metrics helper
add typewriter font and sherlock holmes text
refactor sdf sample completely to show a big scrollable, rotable and scalable text
Merge remote-tracking branch 'refs/remotes/bgfx_bkaradzic/master'

Conflicts:
	examples/common/font/text_buffer_manager.cpp
slightly better default param values
Merge pull request #37 from jeremieroy/master

Refactor of fontsdf sample to show a big scrollable, scalable, rotable text
Fixed 64-bit warning.
Cleanup.
Moved matrix functions to math.h
Added include path to common. Renamed math to fpumath.
Cleanup.
Cleanup.
Cleanup.
Cleanup.
Cleanup.
Cleanup.