added vertical view pager to show the survey
fixed bugs in verticalviewpager where it used an x instead of a y
fixed bug where viewpager padding would not be applied to the children
Modified VerticalViewPager to allow children with WRAP_CONTENT height
fixed bug where overscroll would not be displayed correctly
fixed bug where items would not be selected after rotation
added text watcher for edit text field
data from the server will only be downloaded once
rebase added prompt viewpager