bump versions, update CHANGELOG
Closes #851

Squashed commit of the following:

commit fe1afb6b6befdc50ce9e13fce76944c8b2b017a4
Author: Seth Ladd <sethladd@google.com>
Date:   Fri Aug 21 17:02:37 2015 -0700

    bump versions, update CHANGELOG
diff --git a/CHANGELOG.md b/CHANGELOG.md
index eff923d..c5ebb71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+## 0.6.0
+* [enhancement] / key activates the search bar
+* [bug] combined getter/setter docs were mangled
+* [enhancement] exact matches in search now rank higher
+* [enhancement] search box starts with "Loading..."
+* [enhancement] provide a hint that there are more docs than the one-liner
+* [sdk] bundle dartdoc with SDK
+* [bug] links in right column of MapBase did not work
+* [enhancement] reorder details about a class, like inheritance
+* [sdk] fix links in SDK's front page README
+
 ## 0.5.0+3
 * [bug] fixed issue with duplicate docs for properties
 
diff --git a/lib/dartdoc.dart b/lib/dartdoc.dart
index 9b415f7..6e70808 100644
--- a/lib/dartdoc.dart
+++ b/lib/dartdoc.dart
@@ -36,7 +36,7 @@
 
 const String name = 'dartdoc';
 // Update when pubspec version changes.
-const String version = '0.5.0+3';
+const String version = '0.6.0';
 
 final String defaultOutDir = 'doc${Platform.pathSeparator}api';
 
diff --git a/pubspec.yaml b/pubspec.yaml
index d6c6d16..0ee1979 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dartdoc
 # Also update the `version` field in lib/dartdoc.dart.
-version: 0.5.0+3
+version: 0.6.0
 author: Dart Team <misc@dartlang.org>
 description: A documentation generator for Dart.
 homepage: https://github.com/dart-lang/dartdoc