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.

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

convert tabs to spaces.

Indicate the GPL license.

SetWindowText\(\s*GetDlgItem(\s*)\((\S*),\s*(\S*)\),\s*(\S*),(\s*)(\S*)\)(\s*);
->
SetDlgItemText\($2, $3, $4, $6\);

Improve the search bar a little bit.

Add a 'find bar' to the diff viewer which does searching FF style.
Not yet completely working and it looks ugly right now...