Changed yokozuna dependency on develop-2.2 branch in order to pull in AWS workaround

Author: fadushin

rebar.config

@@ -21,7 +21,7 @@
         {riak_search, ".*", {git, "git://github.com/basho/riak_search.git", {tag, "2.1.6"}}},
         {riak_control, ".*", {git, "git://github.com/basho/riak_control.git", {tag, "2.1.6"}}},
         {riaknostic, ".*", {git, "git://github.com/basho/riaknostic.git", {tag, "2.1.7"}}},
-        {yokozuna, ".*", {git, "git://github.com/basho/yokozuna.git", {tag, "2.1.10"}}},
+        {yokozuna, ".*", {git, "git://github.com/basho/yokozuna.git", {branch, "develop-2.2"}}},
         {riak_auth_mods, ".*", {git, "git://github.com/basho/riak_auth_mods.git", {tag, "2.1.0"}}},
         {rebar_lock_deps_plugin, ".*", {git, "https://github.com/basho/rebar_lock_deps_plugin.git", {tag, "3.1.0p1"}}}
        ]}.