el-get: installed po-mode
js-mode in .bowerrc
org: smaller fill-column
`hl-line-mode' in ruby-mode and magit-status-mode
yasnippet: do not use dropdown-list
`whitespace-mode' in `js-mode'
ag: use --smart-case option
do not customize `eshell-output-filter-functions'
eshell: fixed some aliases
reindent
removed few more eshell customizations
`switch-to-dired-buffer': display directory path for selection, not just buffer names
`lexbind-group' in emacs-lisp-mode
`hl-line-mode' in `slim-mode'