Add Date as new custom field type
Add Date as new custom field type
add required option for custom datefield
fix required date field issue: change date_select with select_date
Merge branch 'feature/data_custom_field' of github.com:carfully/sharetribe into carfully-feature/data_custom_field

Conflicts:
	config/locales/el.yml
	config/locales/en-at.yml
	config/locales/en-bd.yml
	config/locales/en-bf.yml
	config/locales/en-bl.yml
	config/locales/en-cf.yml
	config/locales/en-qr.yml
	config/locales/en-rc.yml
	config/locales/en-sb.yml
	config/locales/en-ul.yml
	config/locales/en-un.yml
	config/locales/en-vg.yml
	config/locales/es-ES.yml
	config/locales/es-rc.yml
	config/locales/es.yml
	config/locales/fr-at.yml
	config/locales/fr-bd.yml
	config/locales/fr-rc.yml
	config/locales/fr.yml
	config/locales/hr.yml
	config/locales/hu.yml
	config/locales/it.yml
	config/locales/lv.yml
	config/locales/nl.yml
	config/locales/pt-BR.yml
	config/locales/ro.yml
	config/locales/ru.yml
	config/locales/sv.yml
	config/locales/sw.yml
	config/locales/vi.yml
	config/locales/zh.yml