RebaseDlg: Add Squash Support. but there are problem at last commit message.
tree60536cbcce91296a23d6588b147a352be86b91e2
-rw-r--r-- 111 .gitignore
drwxr-xr-x - Languages
-rw-r--r-- 3557 build.txt
drwxr-xr-x - common
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
drwxr-xr-x - src