Merge pull request #166 from paczian/master

rankabundance update and new group renderer
Merge pull request #167 from paczian/master

fixed bugs in groupselect renderer
Merge pull request #168 from paczian/master

multiple widget and renderer updates / additions
Merge pull request #169 from paczian/master

fixed auth provider bugs
Merge pull request #170 from paczian/master

new widget, small heatmap widget update
Merge pull request #171 from paczian/master

fixed clustering order display
Merge pull request #172 from paczian/master

stm dump bugfix and heatmap error handling
Merge pull request #173 from paczian/master

fixed template and data export
Merge pull request #174 from paczian/master

dendograms and clustering fixes