Switch to 1.2.1 version of riak core

Author: neuhausler

README.md

@@ -8,7 +8,7 @@ Drop these templates into `~/.rebar/templates/`:
 
     cp riak* ~/.rebar/templates
 
-Verify Erlang installation (>= R14B04):
+Verify Erlang installation (>= R15B01):
 
     erl -version
 

riak_core.rebar.config

@@ -1,7 +1,7 @@
 {sub_dirs, ["rel"]}.
 
 {deps, [
-    {riak_core, "1.1.2", {git, "git://github.com/basho/riak_core", {tag, "1.1.2"}}}
+    {riak_core, "1.2.1", {git, "git://github.com/basho/riak_core", {tag, "1.2.1"}}}
 ]}.
 
 {erl_opts, [debug_info, warnings_as_errors]}.