* Allow use of negative program IDs in LwjglRenderer (will continue instead of crashing for "Invalid ID received from driver" errors) git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9116 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
* Allow use of negative program IDs in LwjglRenderer (will continue instead of crashing for "Invalid ID received from driver" errors) git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9116 75d07b2b-3a1a-0410-a2c5-0572b91ccdca