[#5] First working version of the new theme
[#5] Adds harvest source tab into the org admin section
[#5] Adds faded link to allow for better transition between header and content
[#5] Footer now has proper links
[#5] First version of the new homepage
[#5] Adds metric sub-dropdown
[#5] Makes flash messages behave a little nicer in the theme
[#5] Adds harvest source index to header
[#5] Adds missing nav item
[#5] Whitespace fixes
[#5] Harvest source looks a little nicer on dataset page now
[#5] Adds show more and whatnot to the dataset page
[#5] Fix selected extras
[#5] Fix harvest source link helper function
Improve dates listing on dataset page

Promote Metadata Date (metadata-date extra), which is the date the
remote metadata was last updated. Format nicely the Reference Date(s)
(dataset-reference-date extra), which refers to the actual data,
via a helper function
[#5] Better link to harvest sources in org page
Merge branch '5-theme'
Tweak descriptions for arcgis and z3950 harvesters