Add simple script to easify syncing with Debian

Supposed to be invoked from within grml-kernel.git/linux-3/debian/
after files from Debian's svn have been copied into the directory.
Sync with Debian's svn r19785
Release 3.7.6-1+grml.1
Update linux-meta-grml for new 3.7.6 packages
Release new linux-meta-grml version 3.7.6-1+grml.1