updated version and added CHANGELOG

pkgs/markdown/CHANGELOG.md

diff --git a/pkgs/markdown/CHANGELOG.md b/pkgs/markdown/CHANGELOG.md
new file mode 100644
index 0000000..ffc8430
--- /dev/null
+++ b/pkgs/markdown/CHANGELOG.md
@@ -0,0 +1,5 @@
+## v0.7.1+2
+
+* Formatted code.
+
+* Updated readme.

pkgs/markdown/pubspec.yaml

diff --git a/pkgs/markdown/pubspec.yaml b/pkgs/markdown/pubspec.yaml
index a5de71e..521d3d6 100644
--- a/pkgs/markdown/pubspec.yaml
+++ b/pkgs/markdown/pubspec.yaml
@@ -1,5 +1,5 @@
 name: markdown
-version: 0.7.1+1
+version: 0.7.1+2
 author: Dart Team <misc@dartlang.org>
 description: A library for converting markdown to HTML.
 homepage: https://github.com/dpeek/dart-markdown