April 7, 2011
7:48 p.m.
Those are separate scenarios:
yes I know. I just do not know the git commands :)
notify a project I have changes for it?
Here you are contributor and are informing the original author/developer/owner that you have some changes for it to review and possibly integrate (that is the pull request: you request the author that pull your changes in its repository).
how do I merge changes submitted?
Here you are the author/developer/owner of the repo and you have a queue of pull request to review and possible to integrate changes made from some other people.