Update to release tags

Author: martinsumner

rebar.config

@@ -4,13 +4,13 @@
  [
   %% ibrowse for doing HTTP requests
   {ibrowse, ".*",
-	{git, "git://github.com/basho/ibrowse.git", {branch, "develop-2.9"}}},
+	{git, "git://github.com/basho/ibrowse.git", {tag, "riak_kv-2.9.1"}}},
 
    %% webmachine for multipart content parsing, will pull in mochiweb as a dep
-   {webmachine, ".*", {git, "git://github.com/basho/webmachine", {branch, "develop-2.9"}}},
+   {webmachine, ".*", {git, "git://github.com/basho/webmachine", {tag, "riak_kv-2.9.1"}}},
 
    %% riak-erlang-client for riakc_obj
-   {riakc, ".*", {git, "git://github.com/basho/riak-erlang-client", {branch, "develop-2.9"}}}
+   {riakc, ".*", {git, "git://github.com/basho/riak-erlang-client", {tag, "riak_kv-2.9.1"}}}
   ]}.
 {edoc_opts,
  [