Removed old occurences of the Sphinx search server.

Not to confuse with the Sphinx documentation system!
fix #1752 - add inline waffle js in site js
Make meta link tag ending consistent
removed stray end tag ul
Ensure persona JS file is cached
Merge pull request #1859 from icaaq/remove_stray_en_ul_tag

removed stray end tag ul
Merge pull request #1855 from jezdez/cleanup-sphinxsearch

Removed old occurences of the Sphinx search server.
Merge pull request #1830 from groovecoder/inline-waffle-js-1752

fix #1752 - add inline waffle js in site js
Merge pull request #1858 from darkwing/meta-link-tags

Make meta link tag ending consistent
Ensure signin is normal font-weight, not bold
Merge pull request #1866 from darkwing/sign-in-bold

Ensure signin is normal font-weight, not bold
Merge pull request #1862 from darkwing/persona-load

Ensure persona JS file is cached