Set up Powerline in Vimrc

Add the following lines and let's see what it does.

set guifont=Inconsolata\ for\ Powerline:h15
let g:Powerline_symbols = 'fancy'
set encoding=utf-8
set t_Co=256
set fillchars+=stl:\ ,stlnc:\
set term=xterm-256color
set termencoding=utf-8