prefix travis script with sh
prefix travis script with sh

msync doesn't set the +x bit, so a simple `./..` does not work. We now
prefix the script with `sh` and everything is fine again.

dhoppe/modulesync_config,dhoppe/modulesync_config,puppet-community/modulesync_config,voxpupuli/modulesync_config,voxpupuli/modulesync_config,voxpupuli/modulesync_config,dhoppe/modulesync_config,dhoppe/modulesync_config,voxpupuli/modulesync_config