commitmonitor Code

Fix a few /analyze and cppcheck warnings.
(Fixes issue #398) : Cppcheck and /analyze results

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

* 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

patch from XhmikosR:
bump the copyright year, remove unwanted spaces and convert some tabs to spaces.

(Closes issue #331) : CommitMonitor should also look in the 64-bit registry for ssh settings

Cast to int to make sure the sprintf function can properly deal with it.

small code cleanup.

Replace the deprecated svn API calls with the non-deprecated functions.

Rename a lot of classes and methods.

no need for a new define, the Windows SDK already has UNREFERENCED_PARAMETER() for this.