OSX plugin

Description

This plugin provides a few utilities to make it more enjoyable on OSX.

To start using it, add the osx plugin to your plugins array in ~/.zshrc:

plugins=(... osx)

Original author: Sorin Ionescu

Command	Description
`tab`	Open the current directory in a new tab
`split_tab`	Split the current terminal tab horizontally
`vsplit_tab`	Split the current terminal tab vertically
`ofd`	Open the current directory in a Finder window
`pfd`	Return the path of the frontmost Finder window
`pfs`	Return the current Finder selection
`cdf`	`cd` to the current Finder directory
`pushdf`	`pushd` to the current Finder directory
`quick-look`	Quick-Look a specified file
`man-preview`	Open a specified man page in Preview app
`showfiles`	Show hidden files
`hidefiles`	Hide the hidden files
`itunes`	Control iTunes. User `itunes -h` for usage details
`spotify`	Control Spotify and search by artist, album, track and etc.