Wordpress manages its deployments via the Release object.

Releases will default to the latest Wordpress release, and also default
to the wordpress folder for installation unless specified otherwise.
Merge branch 'refactor' of github.com:tamagokun/pomander-wordpress into refactor
updated to latest Pomander.
updated compatibility_mode task to work with new options.
fixed default options.
added several more wp-config options. closes #22.
finished Release class
fixed root installs.
CS fixes
Merge pull request #21 from tamagokun/refactor

[WIP] Release object for Wordpress deployments