disable SSL compression and session tickets in Apache
Ensure that Apache never uses SSL compression, which is vulnerable,
and turn off session tickets since the might cause impact to PFS.
Based against next, supersedes first version.
Reported-by: Wolfgang Apolinarski <wolfgang.apolinarski@ipfire.org> Signed-off-by: Peter Müller <peter.mueller@link38.eu> Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>