add ubuntu(12.04) support. fix bug with error when starting initscript o...

I don't know how it work early, but i can't got good run of cookbook on ubuntu 12.04 or debian 6.0, because i got  error when initscript thrum start. I fixed it and checked on debian 6.0 and ubuntu 12.04. 
Also i can commit my test-kitchen config for testing this cookbook.