fly-to-hana.html replace AIR promo synxis links with phgsecure link

NEW:
https://www.phgsecure.com/IBE/bookingRedirect.ashx?propertyCode=HNMHM&nu
mberOfAdults=2&numberOfNights=3&rateCode=AIR
Swap out hana landing promo for hana air promo
Merge branch 'dev'