update pymol to 1.7
osgearth 2.5: New formula

3D Earth engine built upon Open Scene Graph

Closes #518
raxml 8.0.5

Updates raxml to version 8.0.5. Also fixes old broken pthreads compile and automatically compiles vectorized versions based on detected CPU capabilities.
Merge pull request #639 from cowsandmilk/patch-1

pymol 1.7
raxml 8.0.5