Bump required ems-version to one that we have forked and changed. Also add more tests.
The forked ems is located at https://github.com/rhq-project/ems
Remove the accidentally introduced sub-module reference.
Merge pull request #20 from pilhuhn/bz_1033553_new-ems-version

[BZ 1033553] Bump required ems-version to one that we have forked and changed.
BZ 1070242 - installating, starting, stopping, uninstalling agents on remote machines via SSH
Merge remote-tracking branch 'origin/master' into feature/bz1070242-remote-agent-install