Expanded/Simplified FastDNS/Property Manager (PAPI) APIs

DNS v1

• No longer marshal records in favor of a simpler API:
  • Added FindRecordsByName()
  • Added AddRecord() and SetRecord()
  • Added RemoveRecord() and RemoveRecordsByName()
• Fix API endpoint to point to correct /config-dns

PAPI v1

• Add methods for working with the rule tree
  • FindRule()
  • FindBehavior()
  • FindParentRule()
  • AddRule()
• Add RuleFormats.GetLatest
• Renamed Rules.AddRule to Rules.AddChildRule() for clarity
• Added Rules.SetChildRule()
• Added Rules.AddChildbehavior()
• Added Rules.SetChildBehavior()
• Added Rules.SetCriteriaOptions()
• Added Rules.AddCriteriaOptions()
• Added Rules.AddChildCriteria()
• Added Rules.SetChildCriteria()
• Added Rules.FindCriteria()
• Added Rules.Freeze()
• Move Rules.PrintRules() to papi.PrintRules() in util.go