OPEN - task 19: implementing local DB 
http://github.com/tkessels/publicMain/issues/issue/19
+added full functionality to HistoryWindow
  +all three kinds of search should work as expected
+all text fields accept "Enter" to submit window
+added actioncommands to buttons
-System Msgs are filtered by msg.length which is only working for now
Merge branch 'tcp' of https://github.com/tkessels/publicMain.git into tcp