Move react-addons-shallow-compare to `depencencies` from `peerDependencies`: the library is not installed on npm@3 by default and causes Travis faults.
Move react-addons-shallow-compare to `depencencies` from `peerDependencies`: the library is not installed on npm@3 by default and causes Travis faults.

Note: I double checked the addon, it is safe to bring it in since it doesn't bring a new version of react and doesn't have any conflicts.

uber-common/react-vis,Apercu/react-vis,jameskraus/react-vis,uber/react-vis,jameskraus/react-vis,uber/react-vis,Apercu/react-vis,uber/react-vis,Apercu/react-vis,uber-common/react-vis