first cut at MCollective History screen
wired up 'MCollective History' menu
searching on MCO history screen now works
added commands menu to MCO History screen (broken atm)
command screens are now being properly displayed when intiated from the mcollective history screen
support for filters, including identity filters on 'Hosts' screen
Merge remote-tracking branch 'witlessbird/master' into proxy_association

* witlessbird/master:
  support for filters, including identity filters on 'Hosts' screen
  command screens are now being properly displayed when intiated from the mcollective history screen
  added commands menu to MCO History screen (broken atm)
  searching on MCO history screen now works
  wired up 'MCollective History' menu
  first cut at MCollective History screen