Update release instructions (check CircleCI instead of Travis)
Update release instructions (check CircleCI instead of Travis)

mingsai/XCDYouTubeVideoPlayerViewController,creationst/XCDYouTubeKit,creationst/XCDYouTubeKit,twobitlabs/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,twobitlabs/XCDYouTubeKit,twobitlabs/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,mingsai/XCDYouTubeVideoPlayerViewController,creationst/XCDYouTubeKit,itamaker/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,creationst/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,0xced/XCDYouTubeKit,0xced/XCDYouTubeKit,0xced/XCDYouTubeKit,0xced/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,itamaker/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,twobitlabs/XCDYouTubeKit,morrisirrom/XCDYouTubeKit