added responder.cb; cleaned up some tabs
documented responder.cb
fixed reflector servers editor HTML embedding
renamed request() to dispatch()
added guards to environment.dispatch to ensure a valid promise(ClientResponse) is returned
moved /env to /apps/env
updated makefile and .gitignore for deploy; removed unused icons
readded some needed icons
replaced hard-coded URLs with window.location.origin
removed hard-coded url from persona-verify.php
added build and contrib docs
added tests to build docs
browser compat fix for window.location.host