Added proper tests for conneg
Added proper tests for conneg

nicola/ldnode,dmitrizagidulin/solid-server-unstable,linkeddata/ldnode,evWork/nds-server,martinmr/node-ldp-httpd,deiu/ldnode,deiu/ldnode,nicola/ldnode,dmitrizagidulin/solid-server-unstable,timbl/ldnode,evWork/nds-server,dmitrizagidulin/solid-server-unstable,martinmr/node-ldp-httpd,timbl/ldnode,evWork/nds-server,linkeddata/ldnode