fix X,Y data spec.
include colorer when strip = 1
add plot/page colour
change file opt default = new
check for histogram2d
comments/cleanup
overlay/horizontal bar/histogram
set axes line widths to 1.1 to improve display
invert order of traces
clean up data extraction for line/patch children
coded add page/plot colour but commented out for now
Merge pull request #15 from plotly/fig2plotly_fixes

Fig2plotly fixes