ISSUE#355. Show and hide the list of files in a project according to the step in the provenance we are in.
tags moved to footer
Merge branch 'layout-spike' of github.com:prisms-center/materialscommons.org into layout-spike
footer fixed
well css fixed
Tags bar should only show up when the user is logged in. Also, the call to get the tags should only happen when a user is logged in.
Merge branch 'layout-spike' of github.com:prisms-center/materialscommons.org into layout-spike

Conflicts:
	website/app/index.html
commit
projects dropdown
availability issue fixed
d
prov edit change
changes- bottstrap3
added-files
bootstrap 3 changes
data page modification - in progress
data page changes
added files
navigation bar changes
process page bootstrap 3 modifications