Fix intersector#intersectRayBoundsFast and remove Vector3#tmpx
fix tests
Merge branch 'master' of https://github.com/libgdx/libgdx into various
Closes #1657
Closes #1678
Actually remove the tmp vectors
Merge pull request #1691 from xoppa/various

Various changes, mostly remove Vector3#tmp
fixed matrix4 gwt emulation