Create a branch for documentation work.


[SVN r44584]
Fix a typo in the spirit docs.


[SVN r44643]
Escape the slash so that quickbook doesn't think it the start of an italic section, and mess up the link. Refs #1844


[SVN r44644]
Fix another typo in spirit docs.


[SVN r44647]
Merge with trunk.

[SVN r44810]
Use root links in quickbook.


[SVN r45364]