WIP: Use HTML to render labels rather than SVG
WIP: Render text in the correct position
Restore line rendering
Remove unused method and debug messages
Restore squares for labels
Restore links for labels
Restore linelabel summary in HTML rather than SVG
Remove unnecessary truncateWithEllipsis method

This can be done in CSS now, woo!
Restore hover functionality: HTML rather than SVG
WIP: First attempt at media queries for linelabel

Some tests broken.
Chaneged the Hover spec to work with the new graphWrapper.
Fix graph tests for using svg
Fixed some failing tests
Fix width and height using svg
Fix size of digital takeup graph
Fix availability and volumetrics graph
Fix hover missalignment
Ensure graph width is measured correctly

SVG width seems to get reported incorrectly when viewBox is set so we
now measure the wrapper width.
Rename volumetrics-availability to double-decker-graph, remove margin
Fix double decker responsiveness