added fields *end loan date* & *note* to add & edit & search forms
Merge branch 'develop' into loan-assets

Conflicts:
	src/ralph_assets/models_assets.py
added migration file for fields: note & end_loan_date
added trans, commas, attrs
loan_end_date: removed setting ids
Merge pull request #153 from xliiv/loan-assets

Added new fields "end loan date" & "note"