Added ok and skip buttons to prompt items
added inline choice items. fixed #51. re #36
refactored how the PromptViewPager finds the lastValidItem
The offsets need to be updated if the height of a view changes
fixed a bug in layout when changing horizontal to vertical
fixed bug where old fragments would not be saved on orientation change correctly
updated vertical viewpager to have a maximum
fixed bugs caused by rotating the phone
The next prompt will now be moved on the screen when a previous prompt is answered
scrolling inside a long prompt is now possible
fixed bug where views were only hidden and not removed
refactored survey taking. fixed #46
fixed crash caused by submitting a response with skipped prompts
updated version for release
No need to refresh the ohmlets from the current call
fixed #50. Joining via the ohmlet link now works correctly
fixed #42. Added loading animation and pull to refresh for survey page
remove items from the db if the user logs out.. todo: handle the case where they remove the account via the system. re #38
updated version for release