[AD] Fix taking photos on Xperia devices

It seems that the Xperia default camera app respects EXTRA_OUTPUT, but
still provides the path back to you anyway unlike some other apps that
respect EXTRA_OUTPUT.
[iOS] Follow guidance on taking photos for iPad

UIImagePickerController guidance specifies that for taking video/photo,
you should go fullscreen, but stay in a popup for selecting images.
[iOS] Set MP sample universal and name/identifier
[iOS] Fix MP sample title bar
[iOS] Rename TakeMedia to more apt GetMediaAsync
Merge branch 'fix-xperia-mediapicker'
[AD] Fix path comparison

data's URI doesn't always contain a URI scheme.
[AD] Specify EXTRA_OUTPUT for videos too

Closes #20
Bump version
[iOS] Set name/bundle for samples
[iOS] Add startup images for contacts sample
[iOS] Add startup images for Geolocation sample
Merge pull request #2 from xamarin/master

Pull latest changes