commitmonitor Code

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<>.

Allow cancelling the password dialog to not use a password at all.
(Fixes issue #378) : Saving and Loading of Projects without Password needs Workaround

* 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

Enable the "check for updates" option again.

(Closes issue #321) : Option to disable popup notifications

Use _countof() instead of sizeof()/sizeof(TCHAR).

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

(Closes issue #266) : Enhancement: when clicking notification, automatically select project in tree

(Closes issue #262) : "Open WebViewer" as default action
* add new option
* start webviewer on double click if option is set

convert tabs to spaces.