commitmonitor Code

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

indicate the x64 build in the About dialog and in the OriginalFilename in the resources. Also save CommtMonitor.rc as UTF16-LE and include winresrc.h instead of windows.h.

* 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

convert tabs to spaces.

Indicate the GPL license.

Add about dialog.