save solo states for tracks
Merge pull request #58 from bhattigurjot/stable-0.4

[Patch] Save solo states for tracks
Fix for #42: Make search path for plugins relative

Makes the search path that is compiled into the lmms executable relative.
Merge pull request #63 from Lukas-W/stable-0.4

Fix for #42: Make search path for plugins relative
Merge pull request #66 from diizy/stable-0.4

UI changes so far