Initial framework for staff-accessible searches view page. Will need to de-specify date column to improve search privacy, perhaps also remove id. Fixes #219
Added /searches url
Added customization to django_tables2 use, in order to modify how dates are displayed
Added top searches this week with stats
Improved logic to collapse search terms that match when ignoring case
Removed django_tables2 and implemented simpler sortable/paginateable list view. (re)Fixes #219
Some refinements to the responsive behavior, with assistance from @StudioZut
Merge pull request #229 from gwu-libraries/t219-searches-view

T219 searches view