Release 2016.26 release. More error logging for OpenGL

[smeighan]

release 2016.26
Some more fixes for OpenGL. Much more error logging to capture enough data to help fix last graphic cards.
Two icons changed on toolbar, see image




Latest releases are found athttp://nutcracker123.com/nutcracker/releases/] [url]http://nutcracker123.com/nutcracker/releases/[/url]
Issue Tracker is found here: https://github.com/smeighan/xLights/issues


XLIGHTS/NUTCRACKER RELEASE NOTES:
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2016.26 May 06, 2016
-- enh (gil) Change Render All toolbar icon and make common on Mac. Fixes #436.
-- bug (dkulp) Add a bunch more debugging stuff to the OpenGL things
-- enh (dkulp) Improve Display Elements toolbar icon.
-- bug (dkulp) Update to use log properties to create a log file
-- bug (dkulp) Bunch of optimizations, more gl error logging, some fixes based on the error log
-- bug (dkulp) Minor work on the subbufferpanel
-- bug (gil) Fix selected view not displaying in combo box on sequencer grid. Fixes #562.
-- enh (gil) Jump to sequencer tab after creating new sequence.
-- bug (gil) Fix numeric entry size for Text effect position text boxes. Fixes #557.
-- enh (gil) Improve Sequence Elements toolbar icon.