Upgrade IntelliJ CE EAP to version 14 (build 138.777).

The version was `135.863`.

http://confluence.jetbrains.com/display/IDEADEV/IDEA+14+EAP
http://blog.jetbrains.com/idea/2014/06/intellij-idea-14-early-preview-is-available/
Merge pull request #312 from nathankleyn/intellij-ce-14-eap

Upgrade IntelliJ CE EAP to version 14 (build 138.777).