added consistent formatting to booking request form [#45163397]
Made the devise views use simple form
Added NL translation to error messages, and added i18n views
Switched devise mailers to use i18n
Made all changes I could to make the views use simple form and i18n. There are some parts I won't bother touching for now.
Changes to the booking request model to support virtual attributes for event date and times
Added gems for bootstrap date and time pickers, implemented the UI for Date and start and end time. Tested the ability to submit the request. [fixes #46766931]
Merge branch 'develop' into feature/room_carousel_modal

Merging Develop into feature/room_carousel_modal to test changes
Added the modified schema.rb after migrate
Fixed multiple file upload with rails 3.2.13