add v6 to area_basic, area_brushZoom, area_lineDot, area_smallmultiple, add-v6-to-backgroundmap

[urmilaj]

Files changed with v6.

Area Graphs -area_basic.html -area_brushZoom.html -area_lineDot.html -area_smallmultiple.html

Background Map graphs -backgroundmap_basic.html -backgroundmap_canvas_basic.html -backgroundmap_canvas_responsive.html -backgroundmap_changeprojection.html -backgroundmap_country.html

[holtzy]

Thanks heaps!