Tag build swift-DEVELOPMENT-SNAPSHOT-2016-06-20-a

Merge pull request swiftlang#123 from nsalmoria/sr-1417-2

[SR-1417] Add non-optional overloads of XCTAssertEqual and XCTAssertN…

Tag build swift-DEVELOPMENT-SNAPSHOT-2016-06-06-a

Tag build swift-DEVELOPMENT-SNAPSHOT-2016-05-31-a

Tag build swift-3.0-preview-1-SNAPSHOT-2016-05-31-a

Tag build swift-DEVELOPMENT-SNAPSHOT-2016-05-09-a

Tag build swift-DEVELOPMENT-SNAPSHOT-2016-05-03-a

Tag build swift-DEVELOPMENT-SNAPSHOT-2016-04-25-a

Tag build swift-DEVELOPMENT-SNAPSHOT-2016-04-12-a