Bump version to 2.3.1
Bump version to 2.3.1

kotarak/vimclojure,jgrocho/vimclojure,emezeske/vimclojure,jgrocho/vimclojure,kotarak/vimclojure,kotarak/vimclojure,emezeske/vimclojure,jgrocho/vimclojure,emezeske/vimclojure