validator.create now checks for unique fields & tags

it also forces tags & fields to be a-z, 0-9 or _
managers now expect a validator for stream creation validation
4.0.0
use util inherits instead of __proto__
bump node version
adds jsonp responder to input
4.1.0
tell travis to use node 0.10.28
adds req body limit to http input
4.2.0
check body for error message in input body size test
4.2.1
limit get req to 50k
adds get req url length limit test
4.2.2
Merge branch 'master' of github.com:sparkfun/phant into remove_express

Conflicts:
	lib/http_input.js