Merge commit 'v0.8'
Merge commit 'v0.9'
Merge commit 'v1.0'
Merge commit 'v1.1'
Merge commit 'v1.2'
Merge commit 'v1.3'
Merge commit 'v1.4'
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
added some matrix math optimizations
now removing text field from SPButton if text is empty
better performance of async texture loading by using a shared texture loader