Fixed parsing RLS NOTIFY payloads

Ignore-this: ec934ff0d8e4591804eaf02417bc2302

The email module needs the Content-Type header in order to
interpret the global content type of the multipart message

darcs-hash:20120830093729-56b4d-8a6135825bd59326edde3cee4937e08e273e81d3
Fixed URI comparisons when dealing with RLS NOTIFY bodies

Ignore-this: 47ec864fd243d66d3848652ce8ff19ac

darcs-hash:20120830094028-56b4d-b47a16fb1a72fd1a5675e4e4bbe8753e9892d668