v1.7.0

• Use EventEmitter from wolfy87-eventemitter (fixes issue #8)
• Allow React version ^16.0.0 as dependency

v1.6.2

• Added TypeScript definitions.

v1.6.1

• Use react-transition-group instead of react-addons-css-transition-group. #9

v1.6.0

• Added transitionConfig prop to allow configuring ReactCSSTransitionGroup for the loader overlay.
• Added fade transition to demo0.

v1.5.0

• Use React Component instead of createClass and prop-types library to suppress deprication warnings

v1.4.0

• Added contentStyle property to extend content container styles
• Added messageStyle property to extend message container styles

v1.3.0

• Removed babel-polyfill that was polluting globals. Now using
  babel-transform-runtime instead.
• Internal changes

v1.1.1

• Very important bugfix: rendering was causing redundant mounts and
  unmounts that caused unwanted side-effects on rare cases.

v0.7.0

CSS styles now follow correct BEM-naming. Update your classes if you have
overriden Loader classes.

• Loader--content => Loader__content
• Loader--background => Loader__background
• Loader--foreground => Loader__foreground
• Loader--message => Loader__message