Property/Agent - simplified getting billing address
literal search returns account ids to invocing controller
feature invoicing and invoice
Merge branch 'master' into invoicing

Conflicts:
	spec/models/characters/agent_spec.rb
Merge branch 'master' into invoicing
invoicing view
to_address => to_billing. invoice_factory being changed, invoice_spec tests added
Merge branch 'master' into invoicing
Merge branch 'master' into invoicing
Merge branch 'master' into invoicing
invocing adds start_date and end_date
Merge branch 'master' into invoicing
minimum_range_information => noticable_date_range
invoicing controller new/create, new.html displays invoicing and basic invoice information
invoice_item => product
Merge branch 'master' into invoicing
invoice products spec fix
payment <=> account using inverse_of in relationship. Payment validates account_id => account
Merge branch 'master' of github.com:BCS-io/letting
Merge pull request #46 from MargaretLangley/master

import rake file typo fix
Merge branch 'master' into invoicing