Adds Application config dashboard_subdomains option
Merge pull request #599 from nicolasblanco/dashboard_subdomain_in_config

Adds Application config dashboard_subdomains option which allows admin to set which subdomains show the dashboard.
Map keys
Move hash util functions to HashUtils
Merge pull request #602 from sharetribe/map-keys

Map keys
Pluck data from array of hashes
Query multiple people by ids
Add bool and time transformers

Conflicts:
	app/utils/entity_utils.rb
Remove bool, use to_bool instead
Add money validator.
Merge pull request #604 from sharetribe/pluck

Pluck data from array of hashes
Merge pull request #605 from sharetribe/people-by-ids

Query multiple people by ids
Remove SQL specific int_to_bool transformer
Merge pull request #606 from sharetribe/time-and-bool-transformers

Add bool and time transformers
Add GetExpressCheckoutDetails pp API operation
Rewrite permissions service to use action handlers
API calls to verify pp user who granted permssions
Parse also payer_id to GetECDetails response
scope column in order_permissions can be null
remove api_password and api_signature columns from paypal_accounts table