added sandbox to platform menu
added note about custom build needed for setAllowedRotations
Merge branch 'next'

Conflicts:
	docs/en/3.1.5/steroids/Steroids Native UI/steroids.view/view.setAllowedRotations.md
added 3.1.7 and stable docs versions
bumped edge to 3.1.8, fixed 3.1.7 version number
removed current Steroids Data from docs, removed guides link from index
fixed typo in examples
clarify loading.html usage
imageAsOriginal API docs, documented NavigationBarButton
added setBackgroundImage, improved wording on setBackgroundColor
added navigationBar property to modal.show
drawers.update documented
deprecation notice for enableGesture and disableGesture
updated drawers.defaultAnimations
updated drawers.hide and drawers.show docs to reflect API changes
update full example, enableGesture updated
hide keepLoading property, ensure notes about having to preload drawer views
bumb edge api version
stable = edge
create 3.1.9 folder