[WIP] views refactoring
[WIP] clened
[WIP] fixing flake errors
[WIP] changed order
fixed flake errors
Merge branch 'develop' into debt/234-split-views

Conflicts:
	src/ralph_assets/views/invoice_report.py
	src/ralph_assets/views/transition.py
small changes after review
small changes after review
Merge branch 'debt/234-split-views' of github.com:ar4s/ralph_assets into debt/234-split-views

Conflicts:
	src/ralph_assets/views/asset.py
data_import instead of xls_import
Merge pull request #306 from ar4s/debt/234-split-views

Split views