Example
Get a list of themes.
$ wp theme list
Install the latest version from wordpress.org and activate
$ wp theme install twentysixteen --activate
Install from a local zip file
$ wp theme install ../my-theme.zip
Install from a remote zip file
$ wp theme install http://s3.amazonaws.com/bucketname/my-theme.zip?AWSAccessKeyId=123&Expires=456&Signature=abcdef
Get details of an installed theme
$ wp theme get twentysixteen --fields=name,title,version
Get status of theme
$ wp theme status twentysixteen
