Further Titanfall/Titanfall 2 model improvements.

[IJARika]

-added support for respawns new style of movements called "framemovements", these use rle style animation tracks for values. -added v52 rle animation flags for scale (these are mostly for future reference). -updated flags v53 uses for rle animations, final flag '0x10' has been found an acts as a check if the model has no anim ptr or quat. -fixes some reading of v52 frame anims, removing support for non existent data types.