See if we can speed up travis-ci a little
Water: Allow customizing min/max axis on graph
Water: Variant 7 - larger graph
Water: Variant 7 - use soil instead of rock1 to speed things up
Water: Allow custom initial graph values

Instead of just using 0,0 all the time
Water: Variant 7 - Don't clobber initial defaults
Water: Variant 7 - Better initial graph values
LM: Make it possible for there to be no graph

[#59704168]
LM: Add variant 4

[#59704168]
LM: Add soil quality measurement, coloring

[#59484640]
LM: Add variant 5

[#59780910]