xLights Release 2017.15

xLights Release 2017.15

XLIGHTS/NUTCRACKER RELEASE NOTES:
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2017.15 May 31, 2017
— bug (dkulp) Fix crash if submodel is part of a preview
— enh (keith) Add E6804 controller configuration support
— bug (keith) Fix errors with FPP config
— bug (keith) Fix xyzzy on matrixs on start channels other than 1
— bug (keith) Fix triangle wave effect crash
— enh (keith) Enhance wiring view and add light background option
— bug (keith) Fix hang in blend transition
— enh (keith) Add documentation of xSchedule variables into the UI
— bug (keith) Fix some issues with layer counts in preset window
— bug (keith) Fix end channel display if multiple universes are grouped under one output
— bug (keith) Fix 64 bit vamp performance on windows