Overwrite existing records in IndexedStore (Fixes #2182)
Optimize pathgrid store
Load initial particle system state from NIF files (Fixes #2178)
Implement XYZ rotation keys support (Fixes #1067)
Support animated container models
Fix animation glitch caused by knockdown

If the player was knocked down while having no weapon, spell nor fists ready, the animation state would incorrectly shift to "weapon equipped" even though no weapon is equipped.
Ignore extra bytes after the SCVR string list (Fixes #2184)
Merge remote-tracking branch 'scrawl/master'