bxc#10535: SkinnableApp: use DomNode.TextContent
migrate-to-xammac: convert 'MonoMac, ...' references
bxc#10532: TwoMinuteGrowler: remove
bxc#10531: SearchField: fix build

NSMenu.InsertItematIndex -> NSMenu.InsertItem
bxc#10529: Rulers: fix build

NSView.MouseinRect -> NSView.IsMouseInRect
bxc#10527: UserNotificationExample: ML only

Show an NSAlert if we can't create an NSUserNotification
item, indicating we're running on a platform older than
Mountain Lion.

NSUserNotification is supported starting in Mountain Lion
only.
bxc#10525: OpenGLLayer: fix build
bxc#10523: MonoMacGameView: add missing Main.cs
bxc#10515: CoreWLANWirelessManager: quit if no wlan ifaces

Instead of crashing if no wireless interfaces exist on
the system, show an alert and quit the app.
bxc#10522: GLSLShader: DrawView on main thread
bxc#10520: GlossyClock: fix build
bxc#10518: GLFullScreen: fix build
GLFullScreen: DrawView on main thread
bxc#10508: ButtonMadness: fix build
bxc#10162: OpenGL-NeHe: fix up all samples

- Invoke DrawView on main thread
- Fixes for NSImage.AsCGImage
SceneKitViewer: only run on 10.8
bxc#10673: AnimatingViews: add constraints to view

Ensure the custom view sizes with the window.
Merge branch 'xammac-1.2'