Merge pull request #2 from garyjob/master

added fixture server
fixing the request/response nav tab switching
decodeURIComponent in request body
moving the proxy into its own module; and added eventemitter to it
coffeescript
middlewares
add timings
adding stop callback to transaction perform method
dockerize
ensure query string is captured in the record entry
Merge pull request #3 from garyjob/query_string_capture

ensure query string is captured in the record entry
adding Dockerfile