fix asset plugin
update changes.rst
update version
added form attr: only show in ralph
Merge branch 'master' of github.com:allegro/ralph_pricing
refactoring get_or_create in transaction
fix label style
fix tests
add new tests
Merge pull request #65 from wmatyskiewicz/reports

added form attr: only show in ralph
Merge pull request #63 from wmatyskiewicz/master

fix asset plugin
update CHANGES.rst
Merge branch 'master' of github.com:allegro/ralph_pricing into changes
fix tests
fix tests
Merge pull request #64 from wmatyskiewicz/changes

update changes.rst
Update CHANGES.rst
Update CHANGES.rst
Added search boxes, filters and additional columns in admin.
Merge pull request #68 from xor-xor/t1249

Added search boxes, filters and additional columns in admin.