Added space after hostname to prevent cutting the last character - http://cl.ly/image/1K311W2N132e (and to make it consistent with other segments like username, for instance).
Added space after prompt because I didn't like the text touching it.
Merge pull request #145 from guilhermechapiewski/master

Added space after hostname to prevent cutting the last character
Add a "set terminal title" segment.

Emmits a non-printing sequence that sets the terminal window title to user@host:dir
(This is a common default setting in many linux distros)

It was necessary to slightly refactor Powerline methods to distinguish between None and '' passed as parameters.
Fix use of escape characters in "set terminal title" segment.

Escape characters were incorrect for non-BASH shells.
Adds support for git branch divergence syntax
Merge pull request #168 from torbjornvatn/master

Adds support for git branch divergence syntax
Merge pull request #155 from paol/master

Add a "set terminal title" segment.