bug in cluster panel
WARNING idle.pyc 348: _wxIdleLoop - Idle task addCluster crashed - AttributeError: 'Cluster' object has no attribute 'p'
Traceback (most recent call last):
File "fsl/utils/idle.pyc", line 345, in _wxIdleLoop
File "fsleyes/controls/clusterpanel.pyc", line 415, in addCluster
AttributeError: 'Cluster' object has no attribute 'p'