fix #1446 and #1441 not auto removed GSEA scores + label
fix #1464 tcga note
#1457 load kegg pathways from website
#1448 NA filter
#1448 categorical groupings in own group
fix #1464 tcga note
Merge remote-tracking branch 'origin/develop' into develop_scaling

Conflicts:
	org.caleydo.view.tourguide/src/org/caleydo/view/tourguide/impl/GeneSetEnrichmentScoreFactory.java
renaming brick to block in tour guide