Fix react-tools module

I messed this up pretty badly and didn't include react *at all*.

Test Plan: npm pack && npm install <packed.tgz>, then require('react-tools')`
Docs updates per community response
make it a little less cynical
Merge pull request #14 from petehunt/marketing

Docs updates per community response
Merge pull request #11 from zpao/fix-node-module

Fix react-tools module
Prominently display Travis build status.
[docs] Revise marketing copy around JSX.