Add request IP to the things logged
Add AuditLogger to pass audit-loggable data
Add decorator to make klein handlers audit log upon success
Fix some tests, and change active_capacity -> current_capacity
Audit log policy creation, and tests
Tests for audit log of delete policy
Lint fix
Move request IP back
Changed some names and messages - thanks @manishtomar
Merge pull request #483 from rackerlabs/audit_log_group_changes

Audit log some group changes