Sequencer: Replace pattern number spinner with value slider.
Sequencer: Clean up event editor display/scrolling behavior.
Sequencer: Remove canvas optimizations in favor of simpler drawing.
Sequencer: More simplification of pattern drawing.
Work around another retarded bug in binutils-gold.
Sequencer: Fix edit menu for phrase mode.
Sequencer: Tweak canvas drawing.
Sequencer: Fix pattern insertion trigger length on phrase.
Sequencer: Cleanup prototypes.
Sequencer: Fix initial canvas display.
Sequencer: Fix instrument path.
Sequencer: GUI tweaks.
Sequencer: Implement simple undo.
Sequencer: GUI tweaks. Get rid of randomize row feature.
Sequencer: Cover up bug in gcc-4.8.