Signhandler was moved from the ui to the root handler and genconfig
adjusted accordingly.
New discovery struct types to replace the JSON maps are defined in
pkg/types/camtypes. The changes are related to Issue #539.
Change-Id: Ib3f12feeaf6fa81107de2d468cab491723e590ae
Just re-run --update_golden, to get it all into canonical format,
to minimize the size of the next diff.
Apparently these have been hand-edited a lot.
Change-Id: Ib7dbd9d629b5501280652c695f538007934708d4