Virtual fence ui#192

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gmfricke wants to merge 8 commits intomasterfrom

virtual_fence_ui

Commits on Jul 18, 2018

Can now draw a rectangle in the map
gmfricke
committed

Commits on Jul 19, 2018

Commits on Jul 30, 2018

Added fence label to GUI in meters
gmfricke
committed

Commits on Jul 31, 2018

Added infrastructure to support UI VirtualFence cmds
gmfricke
committed

Commits on Aug 2, 2018