Add .travis.yml for continuous integration
Test also with double precision
fix: path resolving was wrong when built as a subproject

Signed-off-by: Filip Wasil <filip.wasil@gmail.com>
fix crash on CPU not having AVX support
enable B3G_RETURN for Mac OSX
Merge branch 'master' of https://github.com/bulletphysics/bullet3
Merge branch 'master' of https://github.com/bulletphysics/bullet3
Merge branch 'master' of https://github.com/bulletphysics/bullet3
Merge branch 'master' of https://github.com/bulletphysics/bullet3
better workaround for Intel GPU crash for glDrawBuffer on Linux
fix a linux build issue
prepare to re-enable Gwen user interface (OpenGL_DebugFont) for OpenGL2.x
prepare to add improved btGeneric6DofSpringConstraint
Merge pull request #188 from gjaegy/master

fix crash on CPU not having AVX support
Merge branch 'master' of https://github.com/bulletphysics/bullet3
dynamically switch between OpenGL 2 and OpenGL 3 (test gwen)
more X11/Linux debug-graphics fixes
only apply the Intel glDrawBuffers fix on Linux (not Win/Mac)
update Windows glew source
use included glew on Linux, only if glew is not installed in /usr/include/GL/glew.h
Merge branch 'master' of https://github.com/bulletphysics/bullet3
add preliminary glut replacement test for Bullet 2.x demos