Plot Selected Pilots

• Zero seconds per point is used by FS as a sentinel value to turn off the jump
  the gun penalty. Be aware of this and calculate the penalty only if the
  seconds per point are positive.
• Select the last crossing of the last start gate for the start crossing.
• Exclude start zone crossings that come after tagging subsequent zones.
• Selecting table rows will highlight points for those pilots in the scatter plots.
• Restrict function-plot to v1.19.1 as later versions introduce breaking changes.
• Use square of leading area when calculating leading points except for:
  • GAP2000
  • GAP2002
  • OzGAP2005
  • GAP2007
  • GAP2008
  • GAP2009
  • GAP2011
  • GAP2012
  • GAP2013
  • GAP2014
  • GAP2015
• Use positive numbers for demerits and negative numbers for penalties.
• Build the comp server with cabal by relaxing constraints on HUnit.
• Commands dealing with FSDB extraction already had fs- prefixes. Do the same
  for flare-timing, using ft- prefixes for these commands.

    > cabal install all:exes --overwrite-policy=always --installdir=$HOME/.cabal/bin
    ...
    Symlinking 'fs-arrival'
    Symlinking 'fs-effort'
    Symlinking 'ft-extract-input'
    Symlinking 'ft-land-out'
    Symlinking 'fs-filter'
    Symlinking 'ft-discard-further'
    Symlinking 'ft-cross-zone'
    Symlinking 'ft-tag-zone'
    Symlinking 'fs-score'
    Symlinking 'ft-mask-track'
    Symlinking 'ft-gap-point'
    Symlinking 'ft-task-length'
    Symlinking 'ft-align-time'
    Symlinking 'ft-peg-frame'
    Symlinking 'ft-area-step'
    Symlinking 'fs-route'
    Symlinking 'ft-unpack-track'
    Symlinking 'ft-build
    Symlinking 'ft-comp-serve
  

• Show penalties with a leading + or - prefix for additive, multiplicative
  and reset penalties to indicate whether it's a bonus or penalty.