Images on the same day are now composited together server side.
Merge branch 'master' of https://github.com/mleonard87/AKickingWheel

# By Rebecca Dengate
# Via Rebecca Dengate
* 'master' of https://github.com/mleonard87/AKickingWheel:
  reverted to adding all layers at start, since it crashes Cesium (less)

Conflicts:
	cesium_files/server.js
Merge branch 'master' of https://github.com/mleonard87/AKickingWheel

# By Robert Gwynn-Jones
# Via Robert Gwynn-Jones
* 'master' of https://github.com/mleonard87/AKickingWheel:
  Go Again! button now reloads page instead of trying to be clever