bump version to 0.3.1

Author: Chetan Padia

project.clj

@@ -1,7 +1,7 @@
 (def dev-dependencies
   '[[ring "0.3.11"]])
 
-(defproject clj-oauth2 "0.3.0"
+(defproject clj-oauth2 "0.3.1"
   :description "clj-http and ring middlewares for OAuth 2.0"
   :dependencies [[org.clojure/clojure "1.3.0"]
                  [org.clojure/data.json "0.1.1"]