make testsuite fail faster, at least for debug builds
fix pluginapi doc errors
deprecate mixed cname resources in plugin_weighted
remove a couple unused static vars
Bugfix: metafo should not zero out geoip's edns scope

If anyone was using geoip as a subplugin to a metafo
  resource, metafo would unconditionally reset the
  edns scope mask set by geoip back to zero.