update readme

README.md

@@ -1,19 +1,17 @@
-admin_data
+# admin_data
 
-* If you are using Rails 3.0.x then use
+If you are using Rails 3.0.x then use
 
     gem 'admin_data', '= 1.1.14'
 
-* If you are using Rails 3.1.x then use
+If you are using Rails 3.1.x then use
 
     gem 'admin_data', '>= 1.1.15'
 
-* Live demo is available at http://admin-data-demo.heroku.com/admin_data (read only version)
+Live demo is available at http://admin-data-demo.heroku.com/admin_data (read only version)
 
-* admin_data works with both Rails 2.3.x and Rails 3
+Documentation is available at https://github.com/bigbinary/admin_data/wiki
 
-* Documentation is available at https://github.com/bigbinary/admin_data/wiki
+To execute tests for this gem <tt>cd test/rails_root</tt> and read the instructions mentioned at README.md there.
 
-* To execute tests for this gem <tt>cd test/rails_root</tt> and read the instructions mentioned at README.md there.
-
-* Released under [MIT](http://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt) License
+Released under [MIT](http://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt) License