#1035: Update jackson to 2.9.5, http client and http core
#1035: Update jackson to 2.9.5, http client and http core

jackson: 2.8.8 -> 2.9.5
http client: 4.5.2 -> 4.5.5
http core: 4.4.4 -> 4.4.9

Signed-off-by: Andreas Schwarte <e77d70c35db7acb5c1ca19e621121dcbb9bab6a2@gmail.com>
eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j