vyatta-openvpn: tidy up output from 'reset openvpn interface vtun0'

Tidy up the output produced by 'reset openvpn interface vtun0' to make
it more readable, following the addition of persistent tunnels.

Bug #7 http://bugzilla.vyos.net/show_bug.cgi?id=7
Bug #313 http://bugzilla.vyos.net/show_bug.cgi?id=313
Bug #318 http://bugzilla.vyos.net/show_bug.cgi?id=318
vyatta-openvpn: tidy up output on "show openvpn <type> status" messages

Tidy up the output of "show openvpn client status" "show openvpn server
status" and "show openvpn site-to-site status".  This stops it rolling
onto the next line and keeps things tidy.

Bug #320 http://bugzilla.vyos.net/show_bug.cgi?id=320
Merge pull request #5 from cyclops8456/helium

Commits for Bug #318/319 and Bug #320