Cleanup DB/Settings assignments.
Adding getValidVersionsFile() method to Versions class.
Change Utility::getValidVersionsFile() to use the Versions method.
Remove checking of commit count against XML file since SQL patch 307. The method will return zero.
Removing forgotten var_dump ;-)
Moving all procedural code to the top so I don't have to keep jumping up and down the file looking for the code.
Adding TODO messages
Reinstating namespace for Git(), as removing it causes problems.
Updating comments
Merge branch 'dev-remove-xml-commit-count' into dev-test
Adding comment to nZEDb.xml
Merge branch 'dev-test' into dev
Fixing whitespace.