Removed an unnecessary space at the bottom of main view
Supported timestamp parameter in MIDIOutput send() API
Tweaked indents
Supported receivedTime parameter in MIDIMessageEvent
Enabled UIWebView's scalesPageToFit property
Added a column to show receivedTime in MIDIMessageEvent.
Added [setup] button to recreate MIDIAccess instance.
Moved [clear log] button position.