Pattern: fix bb-track mousewheeling (bit of an oversight on my part, forgot about mousewheel in the last bb-editor fix)
Merge pull request #417 from diizy/stable-0.4

Pattern: fix bb-track mousewheeling (bit of an oversight on my part, for...
AutomationPattern: fix values after last value
Merge pull request #418 from diizy/stable-0.4

AutomationPattern: fix values after last value
Add DSSI paths to LADSPA plugin scan, add DSSI descriptor to plugin info,
doxygenize some comments along the way.
Merge https://github.com/LMMS/lmms into stable-0.4