Added the capability for the user to sort on the public analysis table.
Merge branch 'master' of https://github.com/NERC-CEH/ecomaps
Refactored some of the code in ecomaps_sorter.js.
Refactored more of the code in ecomaps_sorter.js.
Refactored the code in analysis_list.html to avoid having lots of duplicated code.
Made the cursor change when the user hovers over the column headers to indicate they are clickable.
Merge branch 'master' of https://github.com/NERC-CEH/ecomaps