doc code comments for http.go
doc code comments for http.go

couchbaselabs/cbgt,couchbaselabs/cbgt,nimishzynga/cbgt,couchbaselabs/cbgt,nimishzynga/cbgt,couchbaselabs/cbft,couchbaselabs/cbft,couchbaselabs/cbgt,nimishzynga/cbgt,couchbaselabs/cbft,couchbaselabs/cbft,nimishzynga/cbgt