Hybrid weapon mounts not allowing ballistic/energy weapons

[Trylobot]

Don't know if this has been reported before but the hybrid weapon mounts don't work right.
When you want to assign a weapon to such a mount in the variant editor the list will be empty and won't show ballistic/energy weapons.

http://fractalsoftworks.com/forum/index.php?topic=375.msg176888#msg176888

[zaphide]

See my pull request for a fix for this:
#6