* src/liblcopy.sh.in (lcopy_run_hook): User / instead of +
in -perm optarg for find command. + is deprecated.
(lcopy_backends_list): Ditto.
* src/lcopy-genconf: Describe the case when BRANCH is not specified.
* src/lcopy-genconf: Allow to use "--output-dir DIR" and
"--generated-by FOO" instead of "--output-dir=DIR" and
"--generated-by=FOO".
Added libunwind
version 0.3.7