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Merge remote-tracking branch 'upstream/master'
Merge
Dialog improvements

The dialog.reposition(child) function, limit dialog x-size to window
width, leave 10 px margins, and use html() for MessageBox title and
message.
MessageBox improvements

Added customizability to the MessageBox.
Fixed problem .class not working in IE8
Fixed behavior with too large dialogs.
Options array for MessageBox now accepts an object with text and value properties.
Small bug fix (added some return statements)
Moved dialog.reposition to the default context
Fix Issue #362: Dialog improvements

Also updated the api docs and the associated TypeScript apis.