.osx: Disable smart quotes and dashes
.aliases: Add `reload`

`reload` invokes the shell as a login shell, which essentially reloads it.

Closes #247.
Merge branch 'master' of https://github.com/mathiasbynens/dotfiles

# By Mathias Bynens (1) and gregstallings (1)
# Via Mathias Bynens
* 'master' of https://github.com/mathiasbynens/dotfiles:
  .aliases: Add `reload`
  .osx: Disable smart quotes and dashes