TRIVIAL: NEXUS-6134 http loggers

https://issues.sonatype.org/browse/NEXUS-6134

Already tested this does the right thing.

Similar changes already in master, this pull is for nexus 2.7.x ( 2.7.0-03 respin).

I am expecting it will not be a problem merging this. @jdillon please merge at will, the rest of us are ok with it.