Added a new async sample for LazyTableImages

The sample uses the new async feature to download the application
images.
Updated README
Updated README
Removed DownloadTask property

No longer needed with async.
Add MidiTest sample

Creating branch until required API fixes are published
Merge branch 'MidiTest' into monotouch-7.2.1
Fix bug 18516
detect device type via UserInterfaceIdiom

using screen.width and screen.height is a poor way to detect device type.
Merge branch 'master' of github.com:xamarin/monotouch-samples into monotouch-7.2.1
[MidiTest] Merge changes from Miguel

Show notes being played usign async, remove redundant and useless stub code
Set application name, bundle identifier and min revision
Set application name, bundle identifier and min revision
Update bundleidentifier
Update bundle identifier
Removing redundant code from app delegate
Removing storyboard from info.plist
[UIControls]adding sample for doc
Removing Solution Items folder
Adding StoryboardTable Sample
initializing in AwakeFromNib