work in progress: tooltip
Merge branch 'master' of github.com:gxa/atlas
added factor tooltip; show only unique factors/characteristics
deleted file
Merge branch 'master' of github.com:gxa/atlas
Merge branch 'master' of github.com:gxa/atlas into baseline_tooltip
adding test
Merge branch 'master' of github.com:gxa/atlas into baseline_tooltip
Merge branch 'master' of github.com:gxa/atlas
Merge branch 'baseline_tooltip' of github.com:gxa/atlas