Add lein-midje to dev profile for convenience

Example: lein with-profile dev midje :autotest (Automatically run tests)
Build oauth_token query string with generate-query-string
Merging upstream/master
Finish refactoring user endpoints to use query builder
Only use generate-query-string from clj-http.client
Add @wayoutmind available as support
Remove redundant use statements
Merge pull request #1 from wayoutmind/master

Refactor GET query string generation
Merge branch 'master' of https://github.com/Dwolla/dwolla-clojure