Invoice report - generation from assets list
Merge branch 'develop' of https://github.com/allegro/ralph_assets into report-invoice

Conflicts:
	src/ralph_assets/views.py
Add migrations for reports attachement
Disable invoice button when assets reports is disabled
Add inkpy package to setup.py
Change trans text, and small review fixes
Remove js code from html template
add missing comma
Better error handling, adding missing commas
Merge branch 'develop' of https://github.com/allegro/ralph_assets into report-invoice
Update migrations file
Merge branch 'report-invoice' of https://github.com/quamilek/ralph_assets into report-invoice
Add missing {} in format :)
change to ```as e``` exception
Merge pull request #132 from quamilek/report-invoice

Report invoice