HR milestone 2, application audit log and tracking.

This milestone brings in application auditing, allowing for people to track who modify what applications and provide
acception/rejection reasons as part of the messages sent out to the users.

hr/app_defines.py

@@ -15,7 +15,42 @@ APPLICATION_STATUS_CHOICES = (
     (APPLICATION_STATUS_COMPLETED, 'Completed'),
 )
 
+APPLICATION_STATUS_CHOICES_ADMIN = (
+    (APPLICATION_STATUS_NOTSUBMITTED, 'Not Submitted'),
+    (APPLICATION_STATUS_AWAITINGREVIEW, 'Submitted'),
+    (APPLICATION_STATUS_QUERY, 'In Query'),
+    (APPLICATION_STATUS_COMPLETED, 'Completed'),
+)
+
 APPLICATION_STATUS_CHOICES_USER = (
     (APPLICATION_STATUS_NOTSUBMITTED, 'Not Submitted'),
-    (APPLICATION_STATUS_AWAITINGREVIEW, 'Awaiting Review'),
+    (APPLICATION_STATUS_AWAITINGREVIEW, 'Submitted'),
 )
+
+APPLICATION_STATUS_LOOKUP = {
+    APPLICATION_STATUS_NOTSUBMITTED: 'Not Submitted',
+    APPLICATION_STATUS_AWAITINGREVIEW: 'Submitted',
+    APPLICATION_STATUS_REJECTED: 'Rejected',
+    APPLICATION_STATUS_ACCEPTED: 'Accepted',
+    APPLICATION_STATUS_QUERY: 'In Query',
+    APPLICATION_STATUS_COMPLETED: 'Completed',
+}    
+
+AUDIT_EVENT_STATUSCHANGE = 0
+AUDIT_EVENT_NOTE = 1
+AUDIT_EVENT_REJECTION = 2
+AUDIT_EVENT_ACCEPTED = 3
+
+AUDIT_EVENT_CHOICES = (
+    (AUDIT_EVENT_STATUSCHANGE, 'Status Change'),
+    (AUDIT_EVENT_NOTE, 'Note'),
+    (AUDIT_EVENT_REJECTION, 'Rejection Reason'),
+    (AUDIT_EVENT_ACCEPTED, 'Accepted'),
+)
+
+AUDIT_EVENT_LOOKUP = {
+    AUDIT_EVENT_STATUSCHANGE: 'Status Change',
+    AUDIT_EVENT_NOTE: 'Note',
+    AUDIT_EVENT_REJECTION: 'Rejection Reason',
+    AUDIT_EVENT_ACCEPTED: 'Accepted',
+}