Plan your stay mobile

I fixed up plan your stay for mobile.
Working on adding a class for boxes with two lines of text.
Plan your stay boxes

Added a fixed height to resolve issues  of having more than one line.
Plan Your Stay Mobile

Fixed up the five boxes for mobile.
plan your stay mobile

fixed up after viewing in responsinator
Merge branch 'v4.0a-PlanYourStayMobile' into v4.1-PlanYourStayMobile

Conflicts:
	.DS_Store
	css/screen.css
	register/index.html
	sass/screen.sass
	your-stay/index.html
Added icons to the your-stay pages.
- Also replaced the alt text of the register page's icon to be empty.