React - replaceProps added callback function
React - unmount component
Merge pull request #12 from andreas4all/feature/React_setProps_callback

React - replaceProps added callback function
Merge pull request #13 from andreas4all/feature/React_unmount_component

React - unmount component
IE8 fix for router
 - http://webbugtrack.blogspot.cz/2007/11/bug-184-catch-to-try-catch-finally-in.html
Merge pull request #16 from Belsi/feature/router_ie_fix

IE8 fix for router
Update Closure Compiler Bower download url.
Release v5.1.4
SImplify simple todo React demo.
Release v5.1.5
Factory for concrete Closure history implementation with
  TokenTransformer fix for Html5History.
Add este.react.renderToString method.

Usefull for goog.ui.Dialog, where you set content by html string.
Remove trailing space.
Incorporate Polymer PointerEvents into Este.
Release v5.1.6
Add este.thirdParty.pointerEvents.isSupported.
Release v5.1.7
Prevent repeated este.thirdParty.pointerEvents installation.
Release v5.1.8
este.History cleanup.