Add meck dependency for test

Author: UlfNorell

rebar.config

@@ -34,3 +34,5 @@
         %% {riak_control, ".*", {git, "git://github.com/basho/riak_control.git", {tag, "2.1.6-225"}}},
         %% {riaknostic, ".*", {git, "git://github.com/basho/riaknostic.git", {tag, "2.1.7"}}},
        ]}.
+
+{profiles, [{test, [{deps, [meck]}]}]}.