Fixed UE to Rigify version condition

[jack-yao91]

• Fixed the conditional for the version, since a tupler doesn't know how to use a < on its members. Also since the major version is 4 that the issue start cropping up I just check if major version is below 4.
• Also made RIG_TEMPLATES_PATH a staticmethod so it would evaluate when called. I believe bpy.app is None while the addon is activating
• Threw the outline toggle in a try except. (Still need to figure out the correct calls. Apparently it still doesnt think the outliner is active even after overriding the context.)

[JoshQuake]

Just needing solution to toggle_expand_in_outliner

[JoshQuake]

Hmmm it's working on 3.6, 4,0, and 4,1 when I test manually.