respec and compartmentalization of several lua files

further pass on dying neutron star fx

select and kill icons for all weapons

added animation for lightning caller

finally starting change notes

- pretty sure this adds the sound overhaul to brick blast, altfire and sound overhaul to shotgun, and sound overhaul to homing pistol shots
- pistol homing tracers are still broken in singleplayer. gonna address that next

added recursive workshop reference so clients will mount this mod if joining

init