pass the correct loc_off to the executor, so the various variables that depends on the matched location (like DOCUMENT_ROOT) are computed correctly.

now it's also used in the path lookup process

don't add gmid as organisation when generating the certificate, and set the version to 3, so it's compatible with java/android clients. Found by Gnuserland, thanks!

it's been since the switch to libevent that is no longer needed.