update powerline
update solarized
vimrc: do not set t_Co by hand - let the colorscheme set it if needed
vimrc: set textwidth to 120 chars
vimrc: addtional utf8 chars examle for listchars
vimrc: cleanup and update vundle bundle plugins
vimrc: remap the function keys
vimrc: revisit general settings - set nohidden and relative numbers