General readability improvements

* Expand 'Univ' to 'University' for correctness.
* Remove scattered instances of double-spacing between sentences so that guide is consistent.
* Use '&#x2014;' instead of '-' to improve appearance of list items.
* Adjust preposition placements to improve grammar.
* Add an xref instead of advising reader to "read below" so that we do a better job of guiding the reader through the document.
* Remove stray, empty <emphasis> items to clean up code.
* Remove unnecessary hyphens to improve grammar correctness.
* Other minor grammar improvements.

Change-Id: I0dffd2e05cf89e4a9421512cb4e24a2ee242e21d
Merge "General readability improvements"