Remove dependency on delayed_job
Merge pull request #6 from johanb/master

As discussed in issue #4 removes the dependency on delayed_job
refactors Subscription#allow_update?
removes drb warning
renames gem name from spree_hominid to spree_chimpy
Merge branch 'master' of https://github.com/DynamoMTL/spree_chimpy into subscribers

Conflicts:
	lib/spree/hominid/subscription.rb
	spec/lib/configuration_spec.rb
Update after the rename to spree_chimpy