* Started bullet intagration branch.
* Bullet integration continued...
Merge branch 'master' into test-bullet-integration
* Added bullet folder from panda3d and renamed as BulletLocal.
* Build as libbullet.a convenience library (tweaked some panda3d
dependency).
* TODO: remove as much as possible "thightness" to panda3d.
* Some corrections.
* Removed libpandabullet.so dependency.
* Used panda3d without bullet integration.
Merge branch 'master' into test-bullet-integration
Merge branch 'master' into test-bullet-integration
* Modified Project settings.
* Modified project settings.
* Merged bullet integration.