Remember to install MySQL on OSX.
Add Mercurial mq extension to enable strip command.

Useful for removing commits.
Add shebang to .mybash.

Allows Sublime text to detect syntax highlighting.
Add Mercurial branch/bookmark to Bash prompt.

Create a separate create_PS1 function that we can use to easily
create customized prompts - e.g. for nene@sencha v/s nene@ZT.
Alias mercurial push to push -r .

So the push will work more like Git, pushing only the current
branch/bookmark.  By default Mercurial push pushes all branches
and bookmarks, which I rarely want.