Install Cisco UCS, Ceilometer and Hyperv as optional barclamps

Also move Ceph there.
ensure any ntp settings on admin node are preserved (bnc#837032)

https://bugzilla.novell.com/show_bug.cgi?id=837032
Merge pull request #1898 from aspiers/preserve-ntp-conf

ensure any ntp settings on admin node are preserved (bnc#837032)
Merge pull request #1897 from dirkmueller/hyperv_ucs

Install Cisco UCS, Ceilometer and Hyperv
Configure Heat Barclamp if available
Merge pull request #1899 from dirkmueller/master

Configure Heat Barclamp if available
Update install-crowbar-native.sh to reflect the evolution of the admin node.
Try up to 3 times to converge the admin node.

Use the shiny new crowbar converge command to do it.