add _config.yml

adjust README

added Patterns page & trimmed README

added a couple Mailpile designs

fixed spelling

added feeds, sign-in, and tabular patterns

moved messaging client screenshots to separate folders

added Unibox screenshots

Added Messaging Clients, and Notifications as categories, added a few email comps

Added Mailpile PGP icons

Updated readme again

Updated README

Added PGP screenshots by Arne Padmos

Added a bunch of email interface screenshots

Initial commit