Added a workaround to an Apache bug not using the public port in internal redirects for requests without an explicit port number set (80, 443)
Revert "Added a workaround to an Apache bug not using the public port in internal redirects for requests without an explicit port number set (80, 443)"

This reverts commit db3bfc2459efafb5ed0e012c3b577564274225df.
Register in Apache configuration the public port used to reach it so automatic redirects work behind haproxy
Merge pull request #1072 from Zentyal/cperello/webmail-fixes

Cperello/webmail fixes