Merge pull request #115 from dictoon/master

fixed regression, and reimplementing translation of Phong/Blinn materials
Merge branch 'master' of github.com:jupiter-jazz/Mayaseed
formatting changes
cosmetics.
added/fixed comments.
added checkbox to export 'straight' alpha
Revert "formatting changes"

This reverts commit f44180655146e25407667039e340f0882cbe5593.
Merge pull request #119 from jonathantopf/master

added checkbox for exporting 'straight' alphas
Merge branch 'master' of github.com:jupiter-jazz/Mayaseed