Changed accept-encoding header to identity

The compress module on the node connect server doesn't seem to honor q=0 on gzip, so to make the proxy work with connect, I had to change the accept-encoding to "identity". See https://github.com/senchalabs/connect/issues/414
Merge pull request #56 from mericson/master

Changed accept-encoding header to identity
Merge branch 'master' into features/control-panel
Ensure more file extensions are respected
Make excluded file extentions part of the options.
Fixes https://github.com/shakyShane/grunt-browser-sync/issues/33#issuecomment-33874346
Fixes #43
Cleanup config file & add links to wiki
Merge branch 'master' into features/control-panel
Organise tests into sub-dirs
Organise tests into sub-dirs
Fixes bug with proxy + command line usage
Fixes #58
Merge branch 'master' into features/control-panel
Ensure devMode flag is correctly passed.
Return an event Emitter with the API
Switch file watching to use event emitter