EDIT

Do not set consensus sequence of single read alignment to null when
deleting the alignment

Add delete method for SingleReads

Remove comments

correcting the cleanup of sub areas labes in condensed distributions

applying subAreaPreference exclusively for maps

subAreaPreference Rule can be run completely separately
- also reoving old unused code
- removing documentation on osoltete rule
- removing all missleading errors on the subAreaPreference in documentation an comments

Fix potential NPE

Evaluate unit association type in ABCD import

• added test
• correctly set derivative hierarchy

Check if primer or amplification already exist

Evaluate UnitAssociationType during import

Current rule for the relation between the imported unit and its
associated units:

• "same population" => sibling relation
• "same individual" => parent-child