#180
wireframes for datasets
Merge branch 'preDev' of https://github.com/OCHA-DAP/hdx-ckan into dev

Conflicts:
	ckanext-hdx_theme/ckanext/hdx_theme/public/hdx_theme.css
	ckanext-hdx_theme/ckanext/hdx_theme/templates/page.html
Dataset view wireframe changes #188
Dataset view wireframe changes - tweaks #188
#180
Dataset view wireframe changes - more tweaks #188
#180
#180
fixes #218 - Apply homepage footer across all pages
fixes #197 -Change text blurb on homepage to match wireframe 13b
change default font to Roboto Regular (font-weight: 400)
fixes #182 - footer small changes: layout + added links to all the buttons
#182 - added the functionality to the subscribe form in the footer
         - integrated the MailChimp plugin
#182 - share your dataset link
Primary, secondary spacing #188

Affects entire CKAN
Small fixes for #188
#180
#180
removing link to file page, fix positioning on preview+ #204
#180
showing only the preview on the resource page #204