commitmonitor Code

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

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

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

Hold off showing the notifications until there is now fullscreen app active. Meaning while there's a fullscreen application running, the notifications are not shown.
As soon as the fullscreen app is closed or not in fullscreen anymore, all gathered notifications are shown.

Fixes issue #286

convert tabs to spaces.

(Closes issue #240) : GENERATE REPORT
* add menu to copy the selected entries to the clipboard

(Closes issue #189) : Snarl notification
* register CM with snarl
* register three different notification classes

(Fixes issue #196) : Show Diff not working
* before using TSVN to show the diff, check the version of the TortoiseProc.exe and only use it if its version is 1.5 or higher.

Fixes issue #147:
Check for the process name to be CommitMonitorLocal.exe, and if it is (instead of the default CommitMonitor.exe), save/load all data in the same directory as the application exe file is instead of %APPDATA%\CommitMonitor.