Correct all deprecation warnings in addons#798

Merged

BookOfGreg merged 10 commits intoreactjs:masterfrom

BookOfGreg:update-react-15-to-no-deprecations

Oct 2, 2017

Commits on Apr 19, 2017

Removed createClass as its deprecated
AG-Systems
authored

Commits on Aug 11, 2017

Rails React Component CoffeeScript version generator is fixed to output the modules and require React objects
ViXP
committed

Commits on Oct 1, 2017