Fix syntax error of init script
Fix typo
Merge branch 'features/event'
Merge branch 'ns/cluster-based'
Merge branch 'arrange'
Merge branch 'split/NS'
Merge branch 'piece_selection'
Merge branch 'bugfix'
Merge branch 'fix/random'
Merge branch 'fix/PieceSelection'
Merge branch 'fixbug'
Update gitignore
Merge branch 'piece_events' of https://github.com/ChuKuanYu/BTTE into piece_events
merge branch 'piece_events' of https://github.com/ChuKuanYu/BTTE into choking
kikiyo