commitmonitor Code

Remove the "using namespace std" statements and explicitly refer to the std namespace where needed.

use consistently an empty line between functions

* add an empty line after the license header
* remove unneeded empty lines at the end of files
* use the right case for the includes
* always use <> for system headers
* update ext/Versions.txt

A little cleanup.

Rename a lot of classes and methods.

Fix copyright year: these are new files and therefore only must mention this year.

Merge the MultiSCCS branch to trunk and fix some minor merge conflicts.