React 16.6 updates (#13)

* Remove outdated versions of React-Redux

* Update fps-emit lockfile

* Simplify file copying logic

* Make tracing optional

* Restructure stockticker to use slices

* Remove unneeded UMDs from public folders

* Remove 995 branch builds

* Crank up tree updates

* Ignore copied UMDs

* Update to React 16.6

* Update all benchmarks to React 16.6

* Ensure react-dom UMD is loaded

Author: markerikson

.gitignore

@@ -11,6 +11,8 @@ pids
 *.seed
 *.pid.lock
 
+**/public/*.min.js
+
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov