Merge pull request #86 from basho/csm-readme-1.4

Update README.
Provide a default selection.
new class for select menus in the current cluster
select menus for cluster items now have a less error-prone jquery selection
Merge pull request #88 from basho/csm-default-replacement

Provide a default selection.
Merge branch '1.4' of github.com:basho/riak_control into 1.4