Simplify asset tabular data css

A simpler approach, where we keep table display save cells:
- set width on table
- set borders on rows
- set padding on cells and display them as inline blocks

We must make some special IE9 hacks, because it lacks a lot of table display support.

LP#15771745
Merge pull request #39 from NationalMuseumofDenmark/FrontendSprint2#15771745

Simplify asset tabular data css
Merge pull request #40 from NationalMuseumofDenmark/master

Update testing with asset table layout