Updated three.js version
Merge pull request #235 from tsherif/threejs-update

Updated three.js version
Skip deindexing if uint indices supported.
Browser checks now constants.
Closes #236
UNFINISHED: trying to work with one position buffer
Fixed centroid calculation and colors for indexed models.
Linted.
Fixed bug in deindexed normal parsing.
Merge pull request #238 from tsherif/OES_element_index_uint

OES_element_index_uint