Merge pull request #49 from FerretDave/master

RAC updates and PH minor tidy up
#48 Heroes of Horror
+ Implement Class: Dread Necromancer
+ Add all Spells
+ Add all Domains
#48 Heroes of Horror
+ Implement Familiar Selection
+ Implement RACE: Familiars allowed
+ Add Symbiont Subtype
+ Change how Familiar Selection works
Fiend Folio
+ Add Race: Symbiont Ghostly Visage
#48 Heroes of Horror
+ Fix load errors
Remove kits that aren't being used.
Update ReadMe
Stormwrack
+ Some minor updates
Book of Vile Darkness
+ Clean up Abilities
+ Classes still non-operational
Merge pull request #50 from FerretDave/master

Genasi work in progress - need help
Genasi work in progress - need help #50
Book of Vile Darkness work
+ Cancer Mage enabled
Disallow RSRD core sets from being used. Too many incompatible errors.
Clean up load errors and fix missing items.
Fix remaining load issues.
Book of Vile Deeds
+ More Prestige Class work
Updates
Book of Vile Darkness
+ Classes now implemented
ECS Improve Monastic Training to work with Monk Bonus Feat mechanism.
Option (default) to shorten the OS text for armor proficiences - as they just duplicate each other anyway.