fixes #475 - Remove the tooltip on the logo
fixes #426 - Strange behaviour
fixes #488 - Default sort on datasets should be Most Recent - groups
fixes #488 - Default sort on datasets should be Most Recent - orgs
Merge pull request #494 from OCHA-DAP/arti-sprint-17

Arti sprint 17
#481
Merge pull request #496 from OCHA-DAP/dev-org-wireframe-481

#481
Merge remote-tracking branch 'origin/dev' into org-member-changes

Conflicts:
	ckanext-hdx_theme/ckanext/hdx_theme/plugin.py