Update .gitignore for Vim

execute a following command;
  curl gitignore.io/api/vim >> .gitignore
Update .gitignore for .nrepl-port
Upgrade versions

clojure: 1.5.0-RC16 -> 1.5.1
clj-webdriver: 0.6.0-beta2 -> 0.6.0
Merge pull request #1 from kaosf/master

Upgrade versions (clojure: 1.5.1, clj-webdriver: 0.6.0)