.vimrc: Enable `g:solarized_termtrans`

It improves the display in OS X Terminal.app.

http://ethanschoonover.com/solarized/vim-colors-solarized

Ref. #425.
brew.sh: Use `--with-iri` for `wget`

The older `--enable-iri` flag is deprecated.

Closes #445.
.exports: Remove `export HOMEBREW_CASK_OPTS`

It’s not needed anymore now that the `Caskfile` has been removed.

Closes #446.
.aliases: Remove npmjs.eu reference

See the deprecation notice: http://npmjs.eu/

Closes #448.
.functions: Make `mkd` `cd` into the last directory in the list

…rather than the first.

Closes #447 and #450.
Remove alfred
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  .functions: Make `mkd` `cd` into the last directory in the list
  .aliases: Remove npmjs.eu reference
  .exports: Remove `export HOMEBREW_CASK_OPTS`
  brew.sh: Use `--with-iri` for `wget`
  .vimrc: Enable `g:solarized_termtrans`

Conflicts:
	.vimrc