DUE TO SPAM, SIGN-UP IS DISABLED. Goto Selfserve wiki signup and request an account.

DUE TO SPAM, SIGN-UP IS DISABLED. Goto Selfserve wiki signup and request an account.
At the time of writing, the best source is Quick Start (especially for non-committers)
Here is the workflow for using Github for the non-committers who are developing their features on GitHub:
Now, you are ready to go. You can pull the changes from upsteam, create branches, push the changes to origin.