submodule update
Merge pull request #5 from archblob/master

Display tavis-ci build button.
Test commit for Travis
`pipes-concurrency` changes have been merged into `master`
switche attoparsec and network to master branch
deleted test directory, added example directory and added emitter.hs example.
removed trailing .0 from some .cabal deps
removed network-test from .cabal file
reverting back to having some sort of test script so that travis can build.