Change MetaCatVersion to MetacatVersion
Fix references to db classes that were moved and refactoring missed.
Added header and footer sections that allow admin to log in as different user and to see user documentation.
Add support email to configuration error messages
Fix question mark help links
remove <p> formatting
Clean up formatting on configuration pages
Align submit buttons
change request attribute name from metaCatVersion to metacatVersion
Merge 1.9 changes into Head