updates to tests that hit production services
Merge remote-tracking branch 'pubs-master/master'

Conflicts:
	pubs_ui/lettuce_testing/features/test_utils.py
Merge pull request #113 from mwernimont/master

Mobile nav toggle
full advanced search
Merge remote-tracking branch 'upstream/master'
Merge pull request #114 from jkreft-usgs/master

full advanced search
small pdf statement
Merge remote-tracking branch 'pubs-master/master'

Conflicts:
	pubs_ui/templates/advanced_search_form.html
reordering of requirements.txt
Merge pull request #115 from ayan-usgs/master

merged conflicts and reordered requirements.txt
utils and tests for supersede
minor fix
Merge pull request #116 from wblondeau-usgs/master

utils and tests for supersede
visual tweaks, newpubs thumbnail
Merge remote-tracking branch 'upstream/master'

Conflicts:
	pubs_ui/templates/search_form.html
Merge pull request #117 from jkreft-usgs/master

visual tweaks and fixes
fix unit test
Merge pull request #118 from jkreft-usgs/master

fix unit test
fix brittle call
Merge pull request #119 from jkreft-usgs/master

fix brittle call