Merge pull request #2 from lucasmartins/add-envelope-id-to-unique-args

Add envelope id to unique args
Update Readme.md
Update Readme.md
Update Readme.md
typo
Update Readme.md
removing jasmine leftover
Merge pull request #4 from lucasmartins/s10-reduce-envelope

S10 reduce envelope
Merge branch 'edge' of github.com:lucasmartins/mailcannon into edge
removing internal librato integration
Merge pull request #6 from lucasmartins/librato-exo-wrapper

removing internal librato integration
removing (endo) librato and airbrake integrations
changing logger to use one line, threaded life should be easier
checking for nils
added Envelope#processed? little helper
late "rebasing"