rename most things
set all the correct relative paths
update README
Merge branch 'master' of github.com:devlocker/webhook-parcel into rename_to_parcel

Conflicts:
	lib/webhook/parcel.rb
	test/helper.rb
	test/parcel/test_payload.rb
Move Person out of Webhook
Merge pull request #3 from devlocker/rename_to_parcel

Rename to Parcel