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/test/test_anndata_adaptor.py

@@ -44,6 +44,8 @@ class AdaptorTest(unittest.TestCase):
         }
         config = AppConfig()
         config.update(**args)
+        for k in config.limits.keys():
+            config.limits[k] = None
         config.complete_config()
         self.data = AnndataAdaptor(DataLocator(self.data_locator), config)