Distant summary label positioning fix

"# of blocks to hide label" now changed to "Hide grids <X blocks" to clean up symbology. Added onscreen list of contacts (off by default). Check options menu for "Summary List Options"

Added option to cycle speed display from relative (to you) to absolute

Touched up serialization of defaults

Removed some message spam on startup

UpdateLists enumeration error tentative fix

Touchup for seamless