use filesource object for loading all http stuff
use a file source object to abstract loading of resources
skip null byte
consolidate into one line
fix test gyp file
don't automatically move back to main thread
Merge pull request #407 from mapbox/filesource

Use style.json directory as base path for loading sprite images
nonworking prerendering attempts
take 2, still not working
rm rasterize_properties, should be close to working...doesn't work
still not working
need to figure out how to use modified matrix in drawing prerendered textures
textures binding to map, just the wrong textures -- but so much closer
unnecessary include
committing so as to be revertable when i accidentally destroy the painter fns
rebase fix
render single tile in source.cpp
VICTORY
some cleaning up, raster spin->hue-rotate rename