multiChronopic:
-event window is connected and start showing graph data (incorrect now)
-data is recorded in strings
-better gui (no radio buttons and integration of cp1)
-if a chronopic port is opened, cannot be opened by others
-multiChronopic works also with one

solved sp disconnection (passed as out co chronopicInit)
helpPorts modal again

separated todo in changelog.txt to TODO.txt

svn path=/trunk/; revision=478