Reversing the order of the timeline

After reviewing with some people it's clear that the timeline should
have present day and the future on the right, and the past should be on
the left.
Fixing live debug script

It needs to be south of the mainjs file to reload it automatically for
debugging.
Using the set variable for full width.
Removing unused style
Styles for the timeline

This adds some white borders.

Also we use the box shadow to create an "overlay" for the active era.
Removing unused debug code
Defining constants

K not really constants but some values that we use to make the
non-calculable elements work.
DOn't round the numbers

This gives us better percision for the timeline scrubbing. We were only
doing this for css purposes before.
Cleaning up some comments and debug code
Adding classes for first and last

This allows us to strip the borders off of them,
Merge branch 'timeflip'

Timeflip is working. Also added some improvements to the timeline.