* commit 'lamby/master':
Drop the SourceFormat-specific validate_format classmethods.
Don't validate a .changes Format as a source package version format (!)
Add validate_changes_format utility.
Move parse_format tests to test_formats.py
Move parse_format into daklib.formats
Remove X-Katie: headers
Updated
dinstall
Background half of dinstall
Dont do work without a tagfile
Signed-off-by: Joerg Jaspert <joerg@debian.org>