Solved: "Old style" Drums: Track channel/port re-enabled, drum list columns default to them. 
Required some icon and colour changes. See ChangeLog.
Fixed Old Style Drum lockup: Certain item channel overrides caused infinite loop in Audio::processMidi().


git-svn-id: https://lmuse.svn.sourceforge.net/svnroot/lmuse/trunk@1697 21394207-e112-0410-bd00-e4265ec52c78
fixed gain adjustment in wave editor

git-svn-id: https://lmuse.svn.sourceforge.net/svnroot/lmuse/trunk@1698 21394207-e112-0410-bd00-e4265ec52c78