remove v3 deprecations
Guardfile updates
remove model loading code from config.rb
allow path options to be set in config.rb
cleanup/refactor configuration helpers
move cache_path setting to Storage::Dropbox
change default data_path to `.data`
use :starttls as default for Notifier::Mail#encryption
remove decrypt command
remove trigger folder from Storage::RSync dest_path
refactor Cycler
update dependencies