Renamed annotation ch_idx to channel_id (conform with ChannelIndex property `channel_ids`)
Renamed annotation ch_idx to channel_id (conform with ChannelIndex
property `channel_ids`)
JuliaSprenger/python-neo,INM-6/python-neo,apdavison/python-neo,mgr0dzicki/python-neo,NeuralEnsemble/python-neo,theunissenlab/python-neo,rgerkin/python-neo,samuelgarcia/python-neo