added observer
mail cron tasks
added scheduler-daemon gem
working on flexmail
working on flexmail
working on mail
changed signup deliver
cosmetic change
working on flexmail
Merge remote-tracking branch 'upstream/develop' into mail

Conflicts:
	Gemfile
	lib/card/mailer.rb
	lib/card/mailer/confirmation_email.html.erb
	mods/standard/sets/right/account.rb
	mods/standard/sets/type/signup.rb
	wagn.gemspec
added methods to extend trees of pointer cards
renamed WagnSpecHelper to SpecHelper
added --core-spec / -cs option for rspec
'wagn rs -cs collection' runs collection_spec.rb in the gem's spec directory
fixed card migration bug
now it's working at least in a core-dev deck
renamed wagn_spec_helper to spec_helper
first mail specs
card migrations for mail settings
working on mail system
working on mail system
Merge remote-tracking branch 'upstream/develop' into mail