xx 2017.17. Some bug fixes

[sean]

xLights 2017.17 released.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:
---------------------------------
2017.17  Jun 19, 2017
   -- bug (gil)     Fix individual start channels not displaying correct numbers.
   -- enh (gil)     Use freeform selection if selected timing track has no timing marks.
   -- bug (gil)     Prevent overlaps of Spiral and Fan effects imported from SuperStar.
   -- bug (keith)   Fix issue highlighted in this thread http://nutcracker123.com/forum/index.php?topic=4407.0
   -- bug (keith)   Fix back to back glediator effects not rendering correctly.