SAMZA-46
Improve the state management documentation.
Misc. tweaks to the state management docs at Tejas' suggestion.
Misc. improvements to the state management docs.
fix simpe->simple typo on index page.
SAMZA-51; Fix simple typo on web index
SAMZA-25; adding metrics to everything.
Merge remote-tracking branch 'origin/master' into SAMZA-28
adding a buffer gauge for blocking envelope map, so we can inject buffer sizes dynamically on request, rather than updating them constantly.