Fix PNACLPYTHON detection for cmake 3.0
Annotations for the human skin file.
Skin file annotations + initial tests.
Remove unnecessary advice

Ammo refills are now automatic and the weapons are automatically sold
Fix inconsistent dll linkage when using msvc

We no longer need the shim for rint because it is available as a part of the standard library in the version of VisualStudio we support.
Fix invalid operator < debug assertion

Per the spec, the comparator for std::stable_sort should return false when both elements are equal
Fix bsp node surface bounds calculation

The mins of child node 0 was added twice
Use SetPlaneSignbits in more places
Fix travis again. Note to self, don't use ppas that update regularly
Merge branch 'master' into librocket