Update `npm` in travis builds for node 0.8.

The "^" version specifier in the package.json files of our dependencies
can confuse node 0.8 unless you update its npm.

Change-Id: I452b138779f13ff69e70e219886f0dc81d5dc4b6
Release 1.0.1.

Change-Id: I70bc7d6799f1e2af1fdb7bd6e75495ebe4054cfb
Bump version after release.

Change-Id: Ia6ac2cb530a1e4d495e06165eafab25d28d1278b