raddb: Update triggers in trigger.conf

Update trigger.conf's available triggers and comments to correspond to
actual code.
Stupid GCC
Merge pull request #816 from spbnick/update_triggers

raddb: Update triggers in trigger.conf
Time zone is 2 octets
Decode unknown VSAs which are in RFC format
Don't SEGV if start connections is set and we have a connection initialisation statement
Avoid writing "Error: rlm_sql (sql): Cannot open new connection, connection spawning already in progress" when maintaining spares
Colourise should be bool
Note recent changes
Add xlat_unregister_module()

Which unregisters all xlat's for a module instance.
So that the modules don't have to do that.
Automatically remove xlat's when we free a module instance
Newer registrations replace old ones

So that for HUP, the xlat's go to the new modules
Remember OPENSSL_CPPFLAGS and use them
Split out value data functions into value.c and rename valuepair.c to pair.c
Useful macro
Formatting
Convert pairparsevalue to value_data_from_str which does the same thing but writes the result to a value_data_t

This makes it more useful for evaluating conditions
Make arguments between vp_data_prints_value and value_data_from_str consistent
listener is NULL for Status-Server packets
Set buffer type in value_data_from_str when allocing octets types buffers