first try at pause/resume for Play Effects
pull in lyrics or other notes from Audacity label file
Merge branch 'master' of https://github.com/smeighan/xLights

Conflicts:
	xLights/TabSequence.cpp
initial UI changes for Piano EffectsPanel.cpp;
not functional yet
(this comment is for prev. change also)
re-add global keyboard filter (req by Frank)
another try at re-adding global keyboard filter
collide and random motion controls were hidden but padlocks were not; hid orphaned padlocks
collide and random motion controls were hidden but padlocks were not; hid orphaned padlocks
keyboard input to child windows was broken (needed to tell caller if hot key was processed)
additional plumbing for piano fx (wanted to get it into EffectsPanel to avoid file contention)
Merge branch 'master' of https://github.com/smeighan/xLights

Conflicts:
	xLights/wxsmith/xLightsframe.wxs
	xLights/xLightsMain.cpp