commitmonitor Code

Remove unneeded variables.

Check that VerQueryValue returns a useful value.

use the _countof macro instead of explicitly specifying the number of elements

use the _countof macro instead of explicitly specifying the number of elements and reindent version.in

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.

use consistently an empty line between functions

Use smart pointers for allocating memory and fix a few memory leaks while doing so.
Also replace our custom auto_buffer with std::unique_ptr<>.

* 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

New function to check whether a window is covered by other windows. The function does this by checking 100 different points of the window.
Update issue #362