plotlclass testing
Merge branch 'plotlyclass' into TESTS-PLOTLYFIG

Conflicts:
	plotly/plotly_setup_aux/findPlotlyDirs.m
	plotly/plotlyfig.m
fix axes tag check for plot matrix
update plotlyreference dir fix
add is empty check for plotlyLoc
fix hide ticks if visible = off
rebase with plotlyfig (stripped and not stripped)
fix updateplotlyhelp
remove baseline add revert method
remove histogram orientation key (no longer supported)