Various hardening to REST routes (#1293)

* URL reweriting for static

* request size limits

* improve quotas, make tests work

* remove debugging code

* pass limits to front-end

* fix renaming boggle

server/common/errors.py

@@ -68,3 +68,11 @@ class ConfigurationError(Exception):
     """
 
     pass
+
+
+class ExceedsLimitError(Exception):
+    """
+    Raised when an HTTP request exceeds a limit/quota
+    """
+
+    pass