Skinning fixes to Maya exporter.
Skinning fixes to Maya exporter.

code-google-com/awd,tectronics/awd,PiRSquared17/awd,Alwnikrotikz/awd,Alwnikrotikz/awd,PooSunfish/awd,PooSunfish/awd,PooSunfish/awd,code-google-com/awd,tectronics/awd,code-google-com/awd,Alwnikrotikz/awd,Alwnikrotikz/awd,Alwnikrotikz/awd,PiRSquared17/awd,code-google-com/awd,code-google-com/awd,tectronics/awd,PiRSquared17/awd,PooSunfish/awd,PiRSquared17/awd,tectronics/awd,tectronics/awd,PiRSquared17/awd,tectronics/awd,Alwnikrotikz/awd,PooSunfish/awd,PooSunfish/awd,code-google-com/awd,PiRSquared17/awd