* renamed bendable() to isBendable() * if the instrument is MIDI based and instrument-track's volume is below 100, adjust velocity of MIDI events and scaling factor when mixing sound git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1715 0778d3d1-df1d-0410-868b-ea421aaaa00d