Fix diff.js to not invoke EventStatistics.Table.filter if the filter is undefined.
Merge pull request #464 from lantius/fix-diff

Fix diff.js to not invoke EventStatistics.Table.filter if the filter is ...
Removing some providers in min mode. It'd be nice to eventually make
these compile-time defs.
Remove use of goog.json (1kb savings).
Only supporting binary output in min builds.
Removing old floating point converter stubs to drop 1kb.
Fixing replay.