Merge pull request #230 from cbracken/changelog-dates

Add release dates to changelog.

CHANGELOG.md

@@ -1,31 +1,34 @@
-#### 0.21.1
+#### Unreleased
+   * Bugfix: fix drifting times in `Metronome`.
+
+#### 0.21.1 - 2015-02-05
    * Add optional start param to `Glob.allMatches()` to match superclass
      method signature.
    * Add optional start param to `Pattern` returned by `matchesAny()` to match
      superclass method signature.
    * Deprecate Glob. Use package:glob. Will be removed in 0.22.0.
 
-#### 0.21.0+3
+#### 0.21.0+3 - 2015-02-04
    * Travis CI integration support added.
    * Document that the deprecated functions `padLeft`, `padRight`, `trimLeft`,
      `trimRight` will be removed in 0.22.0.
 
-#### 0.21.0+2
+#### 0.21.0+2 - 2015-02-04
    * Fix hanging `FakeAsync` unit test.
 
-#### 0.21.0+1
+#### 0.21.0+1 - 2015-02-03
    * Replace `equalsTester` dependency on `unittest` with finer-grained
      dependency on `matcher`.
    * `path` is now a dev dependency.
 
-#### 0.21.0
+#### 0.21.0 - 2015-02-02
    * Multimap: `toMap()` is deprecated and replaced with `asMap()`. `toMap()`
      will be removed in v0.22.0.
    * Cleanup method signatures that were inconsistent with the core library.
    * Added `areEqualityGroups` matcher for testing `operator==` and `hashCode`.
    * CONTRIBUTING.md added.
 
-#### 0.20.0
+#### 0.20.0 - 2014-12-10
    * Multimap: better `toString()` on returned collections.
    * Multimap: Bugfix: support edits on empty value collections.
    * Multimap: Added missing return statment in `fold`.
@@ -34,5 +37,5 @@
    * Minor updates to README.md.
    * CHANGELOG.md added
 
-#### 0.19.0+1
+#### 0.19.0+1 - 2014-11-12
    * Corrected version constraint suggestion in README.md.