Merge 'readme' into HEAD

Add a README.md for GitHub goodness.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

README.md

@@ -0,0 +1,8 @@
+# Git for Windows
+
+[![Join the chat at https://gitter.im/git-for-windows/git](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/git-for-windows/git?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
+This is the source code of [Git for Windows](http://git-for-windows.github.io/),
+forked from [Git](http://git-scm.com/).
+
+This project is run by a [governance model](http://git-for-windows.github.io/governance-model.html). If you encounter problems, you can report them as [GitHub issues](https://github.com/git-for-windows/git/issues), discuss them on Git for Windows' [Google Group](http://groups.google.com/group/git-for-windows), and [contribute bug fixes](https://github.com/git-for-windows/git/wiki/How-to-participate#fix-bugs-or-add-features-in-the-git-code-itself).