Change names of savefiles and modules directories
Refactor the packages initialization
Refactor Mac OS X settings
Disable ergoemacs keybindings
Rename UI settings file
Rename editor settings file
Add package `bind-key'
Add functions to set frame fullscreen

Add two functions to toggle a frame to be maximized and fullscreen.
Add package `switch-window'
Introduce package `use-package'

Remove the usages of require-package and replace them by use-package's
:ensure.
Refactor package `ace-jump-mode'
Refactor package `smex'
Refactor window move operation
Refactor package `undo-tree'
Rename keybindings file
Refactor package `magit'