pb_service_test no longer runs

Issues with dependent applications not starting correctly is preventing the test from running. Specifically:

- [ ] riak_core_metadata_manager has no data dir
- [ ] riak_sysmon is improperly configured, complains about a missing ets table

```
2013-09-20 16:38:32.243 [error] <0.242.0> CRASH REPORT Process <0.242.0> with 0 neighbours exited with reason: {{shutdown,{failed_to_start_child,riak_core_metadata_manager,no_data_dir}},{riak_core_app,start,[normal,[]]}} in application_master:init/4 line 133
```

```
2013-09-20 16:38:32.841 [error] <0.205.0> riak_sysmon_filter:get_node_map: error badarg @ [{ets,match_object,[sys_dist,'_'],[]},{ets,tab2list,1,[{file,"ets.erl"},{line,667}]},{riak_sysmon_filter,get_node_map,0,[{file,"src/riak_sysmon_filter.erl"},{line,360}]},{riak_sysmon_filter,handle_info,2,[{file,"src/riak_sysmon_filter.erl"},{line,249}]},{gen_server,handle_msg,5,[{file,"gen_server.erl"},{line,604}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,239}]}]
```