sankey and treemap now use a callback to have more flexibility for the error msgs
changed error lables to just be a container that can be filled with any html
Merge remote-tracking branch 'upstream/master'
Merge branch 'changeToErrorLabelsTreemapSankey'
redrawGroup needed for the filter controls
Merge pull request #21 from tehandyb/master

sankey and treemap now use a callback to fix issue with error msg flexibility