docs(CHANGELOG.md): fix correct links to angular2

Closes angular#1577

Author: PatrickJS

CHANGELOG.md

@@ -5,34 +5,34 @@
 ## Features
 
 - **dart/transform:** Dedup getters, setters, & methods
- ([15376a6d](https://github.com/angular/angular.js/commit/15376a6d243740c73cf90f55525d1710cdd156f5))
+ ([15376a6d](https://github.com/angular/angular/commit/15376a6d243740c73cf90f55525d1710cdd156f5))
 - **facade:** add isType method
- ([e617ca63](https://github.com/angular/angular.js/commit/e617ca6323902bd98c0f1eb990b82f6b8d3c98e3))
+ ([e617ca63](https://github.com/angular/angular/commit/e617ca6323902bd98c0f1eb990b82f6b8d3c98e3))
 - **parser:** support === and !== operators
- ([afe0e454](https://github.com/angular/angular.js/commit/afe0e454537f9252f9cf313647e649cfa464f96f),
- [#1496](https://github.com/angular/angular.js/issues/1496), [#1500](https://github.com/angular/angular.js/issues/1500))
+ ([afe0e454](https://github.com/angular/angular/commit/afe0e454537f9252f9cf313647e649cfa464f96f),
+ [#1496](https://github.com/angular/angular/issues/1496), [#1500](https://github.com/angular/angular/issues/1500))
 - **router:** add initial implementation
- ([1b2754da](https://github.com/angular/angular.js/commit/1b2754dacdd15e8fea429d56cdacb28eae76d2b1))
+ ([1b2754da](https://github.com/angular/angular/commit/1b2754dacdd15e8fea429d56cdacb28eae76d2b1))
 - **view:** reimplemented property setters using change detection
- ([8ccafb05](https://github.com/angular/angular.js/commit/8ccafb0524e3ac4c51af34ef88e0fe27482336a6))
+ ([8ccafb05](https://github.com/angular/angular/commit/8ccafb0524e3ac4c51af34ef88e0fe27482336a6))
 
 
 ## Performance Improvements
 
 - **benchmarks:**
  - benchmark that measure cost of dynamic components
- ([427f0d02](https://github.com/angular/angular.js/commit/427f0d021c51ea6923edd07574a4cc74a1ef84e6))
+ ([427f0d02](https://github.com/angular/angular/commit/427f0d021c51ea6923edd07574a4cc74a1ef84e6))
  - benchmark measuring cost of decorators (fixes #1479)
- ([9fc9d535](https://github.com/angular/angular.js/commit/9fc9d535667c620017367877dbc2a3bc56d358b7))
+ ([9fc9d535](https://github.com/angular/angular/commit/9fc9d535667c620017367877dbc2a3bc56d358b7))
 
 
 ## Other (malformed commit messages)
 
 - **other:**
  - feat: alllow specifying directives as bindings
- ([4bab25b3](https://github.com/angular/angular.js/commit/4bab25b3666f4247434ad5cb871906fb063fef51),
- [#1498](https://github.com/angular/angular.js/issues/1498))
+ ([4bab25b3](https://github.com/angular/angular/commit/4bab25b3666f4247434ad5cb871906fb063fef51),
+ [#1498](https://github.com/angular/angular/issues/1498))
  - fix: export ShadowDom strategies
- ([6896305e](https://github.com/angular/angular.js/commit/6896305e34082c246769829e4258631c1d2363d1),
- [#1510](https://github.com/angular/angular.js/issues/1510), [#1511](https://github.com/angular/angular.js/issues/1511))
+ ([6896305e](https://github.com/angular/angular/commit/6896305e34082c246769829e4258631c1d2363d1),
+ [#1510](https://github.com/angular/angular/issues/1510), [#1511](https://github.com/angular/angular/issues/1511))