various RA-related fixes

• actually set slave's diet to healthy
• use ranges for slave dieting / fattening to prevent flip flopping
  • range set to 5 for now, might need adjustment
• only print the rule's name when displaying which rules apply
  • default rule names won't be fixed, use Rename Rule
• add vasectomy support to the RA autosurgery
• re-add RulesDeconfliction as a JS function
• clicking on import rule multiple times won't keep creating widgets
• can now import multiple rules using import rule and it'll automatically detect whether you're importing one or multiple rules
• add waist and accent as activation conditions