Add 'secure_renegotiate' option in ssl part

This option can be used to set to true/false the 'secure_renegotiate' parameter
on the ssl socket.
Clean up the parsing of the ssl configuration
Respect virtual hosts order when the configuration is reloaded

During a reload, when a virtual host is added or updated, it must be at the same
position than in the configuration file. With this fix, it is possible to
reorder virtual hosts, or add new ones at any position.
Adjust line numbers in known_dialyzer_warnings file