Added the original gearmand to travis for testing:
Added the original gearmand to travis for testing:

1. It's easier to test with (it installs in the regular path), we need to start and stop it for network error tests
2. Can't hurt to test with both implementations!

mikespook/gearman-go,echa/gearman-go,mikespook/gearman-go,echa/gearman-go,tacahilo/gearman-go,mikespook/gearman-go,sgrimee/gearman-go,tacahilo/gearman-go,sgrimee/gearman-go