Fix for intel cards

[joepal]

As per https://github.com/makehumancommunity/m ... /issues/46, there is now a potential fix for the intel card troubles.

This needs to be tested on every card so that the fix doesn't break something else.

So if you're comfortable with running from source, the current makehuman master on github could really use some testing.

[smonbrogg]

As you mentioned on github, there is a change in how transparent things are rendered.
This is a problem when trying to examin a skeleton:

Otherwise it works nicely for me so far, great work!
I'm using it on Windows 10 with an NVIDIA GeForce GTX 970