edited the readme file

README.rst

@@ -2,14 +2,39 @@
 Askbot - Q&A forum
 ===================
 
-This is Askbot project - open source Q&A system, like StackOverflow, Yahoo Answers and some others
+This is Askbot project - open source Q&A system, like StackOverflow, Yahoo Answers and some others.
+Askbot is based on code of CNPROG, originally created by Mike Chen 
+and Sailing Cai and some code written for OSQA.
 
 Demos and hosting are available at http://askbot.com.
 
-**Translators:** please translate at https://www.transifex.com/projects/p/askbot/.
+How to contribute
+=================
+
+**Translators: DO NOT use git to contribute translations!!!** instead - translate at https://www.transifex.com/projects/p/askbot/.
 
 All documentation is in the directory askbot/doc
 
-Askbot is based on code of CNPROG, originally created by Mike Chen 
-and Sailing Cai and some code written for OSQA. Askbot had officially launched
-in April 2010.
+To contribute code, please fork and make pull requests.
+
+If you are planning to add a new feature, please bring it up for discussion at our forum
+(http://askbot.org/en/questions/) and mention that are willing to develop this feature.
+
+We will merge obvious bug fixes without questions, for more complex fixes
+please add a test case that fails before and passes after applying your fix.
+
+**Notes on using git for Askbot.** Please use topic branches only - one per feature or bugfix.
+Do not add multiple features and fixes into the same branch -
+those are much harder to understand and merge.
+
+Follow https://help.github.com/articles/fork-a-repo to to learn how to use
+`fetch` and `push` as well as other help on using git.
+
+License, copyright and trademarks
+=================================
+Askbot software is licensed under GPL, version 3.
+
+Copyright Askbot S.p.A and the project contributors, 2010-2013.
+
+"Askbot" is a trademark and service mark registered in the United States, number 4323777.
+