Added default attributes.
Removed deploy_revision for zeo install.
Don't depend on git. If one needs it, one has to add it.
Fixed foodcritic complaints.
Use different homes for the user and the app.
Create Plone user and group.
Use bash for Plone user.
Add virtualenv for Plone.
Removed git dependency from metadata.rb.
ZEO-Server: add required directories.
ZEO-Server: add buildout files and run buildout.
ZEO-Server: replaced static options with dynamic attributes.