Removed extra close h1 tag
Added top pagination to pages

[#76459366]

- Added new drop down pagination to pages view

- Updated style and structure to work with new pagination

- Changed references to “pages” on thumbnails to “p.” in order to
differentiate between gallery pages (Page 8 is now p. 8)
Merge branch 'develop' of https://github.com/emory-libraries/readux into develop

Conflicts:
	readux/books/templates/books/snippets/volume_header.html