Pu updates

*  specify charset for d3
*  text in histogram file dropdown
*  event display event load
*  tools: changes background-color in display box
*  event display style changes
*  search: removes "Sort-by" button
*  UI: changes header menu Edu/Rsch items behaviour
*  records: title in file section alters on filetypes
*  records: adds custom templates for Author Lists
*  records: adds javascript for templates
*  records: adds blocks for better template extending
*  views: ninja filter to get_record_authors by redid
*  records: changes "Dataset" => "Parent Dataset"
*  UI: adds space+bot-border in Edu/Research pages
*  tools: histo dropdown menu to display active file
*  views: updates routing to display correct URL
*  collections: updates coll-boxes in default templat