Fix the check for modified files, only ask which one to save if there is more than one view/file modified. If only one is modified, just save that one without asking

Fix regression of 0717f9018e07bd3eaa477878ccef443eb6cff20c

Based on TortoiseSVN revision 24128

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Add copy right block commands

Based on TortoiseSVN revision 24129

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