Hit time field is now tdc!

In the computing&software group, we decided today that hits from the DAQ are storing their time in .tdc (instead of .t or .time as usual in km3pipe or aanet).

This is a breaking change!

changed milestone to %v1.0

added cleanup label

changed title from Hit time field rename to tdc! to Hit time field is now tdc!

created merge request !53 (merged) to address this issue

mentioned in merge request !53 (merged)

closed with merge request !53 (merged)

mentioned in commit 87695bfd