Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: IDC predicts that by 2020 the term cloud will no longer be used...'\n\nIT Managers and Administrators everywhere will rejoice.
This tweet contains emotions: 
joy, optimism