[#76452620]fix a typo in booking button listener
[#76452620]remove extra font size settings in booking dialog in order to pickup application font styles
Update travis.yml to build and deploy v6
Update Travis to only build v6 and not develop.
[#76452620] further enhancement
WIP a11y.
[#76368466] improve trip planning review page accessibility - tab-navigation, itinerary details dialog by presssing ENTER key
Accessibility work [Fixes #76368466]
PA Logos
Update Tag to v6.0.5-rc.2
[fixes#76466968]restore the fix
[fixes#76452620] only show from&to once in booking information
[#76890696] trigger tooltip on cost and chart when focus is gained this will improve keyboard UX
Creates global config allows_booking for each instance.

Creates a global allow_booking setting for each instance.
Make logo tabbable and selectable [#76890696]
[fixes#75815252] move itinerary.service.fare_structure check before itinerary.cost to get fare
[#76890696] make top nav dropdown menus tab-able/selectable via keyboard
[Fixes#76737464] For one way trips, Ecolane booking shows the confirmation number twice.
[#76890696] review page: tab order consistency; spacebar to select controls; focus the right itinerary when details dialog is closed
[Fixes#76737464] Corrects Outbound/Return issues with the Ecolane Modal.  Temporarily reverts the look of buttons.