Added Note This button to Trip Map.

Added Note This button to Trip Map, and removed unnecessary files form
revision control.
Added crosshair icon to trip map.

Added crosshair icon to trip map.
Added determination of positions in range of crosshair.

Added determination of positions in range of crosshair.  Note:
temporarily, debugging text appears on the screen.
Added entering of note data and uploading.

Added entering of note data and uploading.
Fixed layout to accommodate huge fonts.

Changed linear layout widgets to size relative to their contents.
Replaced crosshair icon with new transparent icon.

Replaced crosshair icon with new transparent icon.
Changed Note this indicator for note in range.

The <Note this...> button now turns green when the note is in range of
the bike path, and red when it is not.
Merge branch 'Feature_ExpandedNotes'