Update changelog and change version

- Updated changelog
- Changed version
Merge branch 'develop' of https://github.com/allegro/ralph_assets into develop
Not yet working
Migration added
Fixed line broken by merge
Models and forms for licence - initial version
Licence form is here
Licence form functional
Software categories are bound to bo or dc
Corrections
Simple list added
URLs in table
Removed blank lines
Removed initial_data