Release 2018.15 xLights released

[smeighan]

2018.15 released. Thanks to Dan Kulp and Keith Westley for the content in thsi release.

Latest releases are found at www.xlights.org
Videos tutorials are found at videos.xlights.org
Forums are located at nutcracker123.com/forum
Issue Tracker is found here: www.github.com/smeighan/xLights/issues

XLIGHTS/NUTCRACKER RELEASE NOTES
---------------------------------
2018.15 June 10, 2018
-- enh (dkulp) Big speedup for Canvas mode
-- enh (keith) Add PixelEditor import
-- bug (keith) Fix LMS CCR imports not working correctly
-- bug (keith) Fix delete and select on a node row not working
-- enh (keith) Add ability for xSchedule to trigger a jukebox item
-- enh (keith) Add the ability to shift a set of selected effects by a given time interval
-- enh (keith) Add collapse all layers to row heading right click menu
-- enh (keith) Add parent model to submodel names when they are in groups and the group is expanded in sequencer
-- enh (keith) Add the ability to time shift value curves
-- enh (keith) Add -o command line option to turn on output to lights when xlights starts
-- bug (keith) Fixes for crashes in xLights, xSchedule and xCapture