* TGA loader now properly fails on grayscale formats git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7848 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
* TGA loader now properly fails on grayscale formats git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7848 75d07b2b-3a1a-0410-a2c5-0572b91ccdca