Mention deficiencies in hotkey editor.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@948 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Recognize magic bytes for tar.xz and LZMA archives.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@949 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Rewrite 7z listing parser to use default listing format.

The listing produced by -slt did not include the ".tar" file for
"tar.xz" formatted archives, making it impossible to determine how
the file should be handled. The new format is a bit more cumbersome,
but should work in the majority of cases.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@950 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Add XZ/LZMA support to ChangeLog.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@951 ef8490bc-f317-4725-81ed-e95a9aca1bcf