Some fixes for line numbering, and fixes for license error handling (#8)

* Change handling of error cases to global post_run_hook
* handle license errors correctly again
* Fix some issues with line ordering from the custom logger thing
* Remove debug log statement
* Use PermissionDenied for license errors
* More elegant handling of line initialization

Update tests to new exception type

Catch all save errors, fix timing offset bug

Fix license error handling inside import command

awx/main/exceptions.py

@@ -30,3 +30,10 @@ class _AwxTaskError():
 
 
 AwxTaskError = _AwxTaskError()
+
+
+class PostRunError(Exception):
+    def __init__(self, msg, status='failed', tb=''):
+        self.status = status
+        self.tb = tb
+        super(PostRunError, self).__init__(msg)