Ensure the session is terminated if an exception is thrown.
Remove this helper method as it isn’t needed.
Its better to use target.front_most_app.keyboard.when_element(:visible?)
Add missing mapping.
Add remaining proxies to UIAutomation::Element to complete the API.
These proxies have moved up to Element.
Move elements into the correct documentation block.

We can’t use alias here because of the load order, so just use a 
normal ruby method instead.
Explicit module not required.
Add proxies and specs for the new elements.
Add proxies for ActionSheet.
Fix typos.
Extract common proxies into a mixin.
Extract text field methods and share with text view.