Synchronous startPlugins(), seems needed for Cloud9

[3/29/13 8:22:50] Lennart Kats: http://support.c9.io/tickets/8175?col=22063996&page=1&challenge=iobozoyc93nibce
[3/29/13 8:23:02] Lennart Kats: "my project is runing a diffrent customers project when i click run
*my user name is tomspost moy justindool * "
Merge pull request #18 from c9/synchronous-start-plugins

Synchronous startPlugins(), seems needed for Cloud9