Merge pull request #620 from leprechau/v3.0.x

import rlm_couchbase
Reduce doxy node depth further
Config parsing is now handled by the server core, individual modules are no longer expected to do it, except in the case of special sections such as 'map'
Simpler way of redoing the delimiters (which also doesn't crash if the server item is commented out)
Ignore all.mk