[added] Ability to transitionTo absolute URLs
[fixed] syntax error in documentation overview
upgrade flux to version 2.0.1
Update app.js
Merge pull request #280 from nishp1/master

upgrade flux to version 2.0.1
Merge pull request #281 from aaronshaf/patch-1

Update app.js
Merge pull request #272 from paulstatezny/overview-syntax-error

[fixed] syntax error in documentation overview
Update when dep to 3.4.6

Fixes #282
Fixes #286
[added] didTransitionTo and didTransitionFrom hooks
[changed] willTransitionFrom is synchronous
[removed] AsyncState mixin

Fixes #261
Add didTransition docs