Removed Steps references, updated page headers, removed progress indicator.
Merge branch 'master' of https://github.com/digitalabs/DatasetImporter

Conflicts:
	src/main/webapp/WEB-INF/pages/angular/angularOpenSheetOld.html
Set base section content style to bootstrap well, fixed bootstrap wonky affix.
wonky affix fixes
minor UI changes
Fix for bug of picky item placement of drag n dropping unmapped headers to a phenotypic type with no entries
Merge remote-tracking branch 'remotes/origin/master' into step2_changes
Continued implem for step 2 consolidation
Continued implem for step 2 consolidation