#### Rename branch

```
git branch -m old_branch new_branch         # Rename branch locally    
git push origin --delete old_branch         # Delete the old branch
git push --set-upstream origin new_branch   # Push the new branch, set local branch to track the new remote
```

[Stackoverflow](http://stackoverflow.com/a/16220970)

#### Change commit messages

```
git commit --amend -m "New commit message"
```

[Change commit message](http://stackoverflow.com/a/179147/3155650)
Github: [Changing a commit message](https://help.github.com/articles/changing-a-commit-message/)