Merge next release into production 

This is the first merge of next_release into production for a long time, key changes prior to recent restoration of the branch:
1) Removal of the exception notifier to rely on the shared one
2) Widespread whitespace changes

More recently
- Fixed batch size for most Sequencing pipelines
- Sequencing batches must share read-length
- User friendly error when attempting to modify released batches
- Tag QC process applies library information to wells