Update README
Merge pull request #1 from LFDM/dump

Dump Endpoint
Add color when hovering index items
Style index list a bit
More styling
Temporarily activate Dump button
Add scss for a fancy spinner
Hide initial DOM rendering

The amount of data that comes in will take a while to render - which is
ugly. Compute this in the background and hide it behind a spinner.
Minor css refactor
More css work on spinner
Minor typo in scss
Minor css stuff
Add easing function to auto-scroll
Fix minor spacing bug
Refactor i18nIndex template
Minor formatting issues
Add broad sorting to index
Move broad sorting to server
Add expander to toggle index tree
Better signs for expander