binary wire format with flatbuffers (#509)

* first flatbuffer schema

* do not lint auto-generated files

* add flatbuffers package

* add flatbuffer module

* wire up /data/X/T route

* use flatbuffers for matrix data fetc

* clarity and comments

* add flatbuffer layout route

* clean up obsolete code

* fix tests

* move flake8 config to setup.cfg

* add comments

* lint

* rework layout routes for fbs

* add more type support to fbs

* lint

* add flatbuffer support for annotations

* function name improvements

* fix botched merge with master

* remove unused import

* route cleanup for flatbuffers

* rename function for clarity

* add missing globals to Jest tests

* fix client JS tests

* fix routes for Python tests

* comments for clarity

* non-finite floating point hardening

* more non-finite number handling

* lint

* fix tests for summarizeAnnotations

* harden diffexp calculation against FP errors

* cleanup unused code

* lint

* add encoding tests for flatbuffers

* application type specified as strings

* fix spelling error

* improve variable names

* add note about documentation gap

* rename FBS DataFrame to Matrix

client/__tests__/util/stateManager/world.test.js

@@ -168,10 +168,13 @@ describe("createObsDimensionMap", () => {
     */
 
     const { dimensionMap } = defaultBigBang();
-
+    const annotationNames = _.map(
+      REST.schema.schema.annotations.obs,
+      c => c.name
+    );
     const schemaByObsName = _.keyBy(REST.schema.schema.annotations.obs, "name");
     expect(dimensionMap).toBeDefined();
-    REST.annotationsObs.names.forEach(name => {
+    annotationNames.forEach(name => {
       const dim = dimensionMap[obsAnnoDimensionName(name)];
       if (name === "name") {
         expect(dim).toBeUndefined();