fetch2: handle wildcards correctly when recording file checksums

The Local fetcher's localpath is returning the parent directory for a
wildcard match; we need to handle this and add the wildcard
specification so that we checksum the correct files.

Fixes [YOCTO #6127].

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
fetch2: fix traceback when a wildcard matches a directory

If there is a directory matching a wildcard in SRC_URI when getting file
checksums, we should recurse into that instead of producing an error.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
bitbake: knotty: Clear footer before outputting to stderr

With the recent change to split the log output to stdout and stderr,
error messages that appeared while the footer was printed got all
messed up. This was because the messages to stderr was output _after_
the footer, then clearFooter() tried to remove the footer but removed
the error message and parts of the footer.

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>