Use local date format if configured

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Tidy up source code

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Harmonize stringtable order of TortoiseProcENG.rc

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Commit Dialog: Add "Pick commit hash" in message text box context menu

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>