Merge pull request #529 from sharetribe/datepicker-locales

Datepicker locales to YML
Cucumber feature for booking transaction process
Show per day in listing creation view
Submitting start on and end on to booking form
Pay per day
Added a bootstrap-datepicker for selecting booking days.
Data is not parsed on backend + some ToDos
changed dateformat to localization files
added overwrite rules/styles for vendor component: datepicker
adding price data to conversation after preauth payment
If booking, request expires when booking ends
Automatic confirmation after 1 day since the booking ended
refactored partial: _status.haml
Automatic confirmation footer
Remove duplicate migration
Allow nil for price per
added some semicolons
refactoring + bugfixes
Started implementing cucumber steps
setting up tests for booking
Preauthorization ends after 5 days max