Wait for scripts to finish before restarting them.
Fix bug with mirror settings not initialized
Don't render head attachments in first person mode.
Set the LOD distance on attachments (controls the load priority, too).
Merge pull request #2825 from PhilipRosedale/master

Fix bug with mirror settings not initialized
Merge pull request #2826 from ey6es/master

Fix for scripts' not correctly removing/reattaching on restart, don't render head attachments in first person mode.
Updated guitar with more chords, key triggers
Merge pull request #2827 from PhilipRosedale/master

Updated guitar with more chords, key triggers
Merge branch 'master' of https://github.com/worklist/hifi into 19507
CR fixes