Update README.md for 1.0 release.

README.md

@@ -1,4 +1,40 @@
-gitbucket
+GitBucket
 =========
 
-Github clone by Scala, Easy to setup.
+GitBucket is a Github clone by Scala, Easy to setup.
+
+The latest version of GitBucket provides a basic features below:
+
+- Public / Private Git repository (http access only)
+- Repository viewer (some advanced features are not implemented)
+- Wiki
+- Issues
+- User management (for Administrators)
+
+Following features are not implemented, but we will make them in the future release!
+
+- Fork and pull request
+- Timeline
+- Search
+- Network graph
+- Statics
+- Watch / Star
+- Team management (like Organization in Github)
+
+If you want to try the development version of GitBucket, see the documentation for developers at [Wiki](https://github.com/takezoe/gitbucket/wiki).
+
+Instllation
+--------
+
+1. Download latest **gitbucket.war** from [the release page](https://github.com/takezoe/gitbucket/releases).
+2. Deploy it to the servlet container such as Tomcat or Jetty.
+3. Access **http://[hostname]:[port]/gitbucket/** using your web browser.
+
+The default administrator account is **root** and password is **root**.
+
+Release Notes
+--------
+
+### 1.0 - 04 Jul 2013
+
+- This is a first public release.