add some first steps in Travelmode intro

enzevalos_iphone.xcodeproj/project.pbxproj

enzevalos_iphone/Assets.xcassets/Travel/Contents.json

...ets/Travel/iconfinder_plane_1608794.dataset/Contents.json

...finder_plane_1608794.dataset/iconfinder_plane_1608794.svg

...phone/Assets.xcassets/Travel/plane.imageset/Contents.json

...sets/Travel/plane.imageset/iconfinder_plane_1608794-1.png

...sets/Travel/plane.imageset/iconfinder_plane_1608794-2.png

...assets/Travel/plane.imageset/iconfinder_plane_1608794.png

enzevalos_iphone/ContactViewController.swift

enzevalos_iphone/Intro.storyboard

enzevalos_iphone/IntroButtonViewController.swift

enzevalos_iphone/IntroContactCell.swift

enzevalos_iphone/IntroContactCell.xib

enzevalos_iphone/IntroContactTableViewController.swift

enzevalos_iphone/IntroContactView.xib

enzevalos_iphone/IntroDescriptionViewController.swift

enzevalos_iphone/IntroPageViewController.swift

enzevalos_iphone/SendViewController.swift

enzevalos_iphone/TravelIntroCoordinator.swift