changed attachments in 'edit device' to table (work in progress..)
working but dirty attachments in table with collaping items
added attachments as table in licenses
Merge branch 'develop' into attach-as-table

Conflicts:
	src/ralph_assets/media/assets/css/style.css
added migration file
code cleanups & added missing css class
review remarks done & listing attachments by latest
Merge branch 'develop' into attach-as-table
Merge pull request #185 from xliiv/attach-as-table

Attachments in edit as table (License & Device)