codomToPropShared: no visible global function definition for
  ‘df2genind’
codomToPropShared: no visible global function definition for
  ‘propShared’
mgLandscape: no visible global function definition for ‘dist’
mgLandscape: no visible global function definition for ‘SpatialPoints’
mgLandscape: no visible global function definition for ‘na.omit’
mgMEM : .distTransform: no visible global function definition for
  ‘as.dist’
mgMap : sr.value: no visible global function definition for ‘par’
mgMap : sr.value : fun: no visible global function definition for
  ‘segments’
mgMap : sr.value : fun: no visible global function definition for ‘par’
mgMap : sr.value: no visible global function definition for ‘symbols’
mgMap : sr.value: no visible global function definition for ‘gray’
mgMap : sr.value: no visible global function definition for ‘points’
mgMap : sr.value: no visible global function definition for ‘box’
mgMap : scatterutil.legend.bw.circle: no visible global function
  definition for ‘par’
mgMap : scatterutil.legend.bw.circle: no visible global function
  definition for ‘strheight’
mgMap : scatterutil.legend.bw.circle: no visible global function
  definition for ‘strwidth’
mgMap : scatterutil.legend.bw.circle: no visible global function
  definition for ‘rect’
mgMap : scatterutil.legend.bw.circle: no visible global function
  definition for ‘symbols’
mgMap : scatterutil.legend.circle.grey: no visible global function
  definition for ‘par’
mgMap : scatterutil.legend.circle.grey: no visible global function
  definition for ‘strwidth’
mgMap : scatterutil.legend.circle.grey: no visible global function
  definition for ‘strheight’
mgMap : scatterutil.legend.circle.grey: no visible global function
  definition for ‘rect’
mgMap : scatterutil.legend.circle.grey: no visible global function
  definition for ‘symbols’
mgMap : scatterutil.legend.circle.grey: no visible global function
  definition for ‘gray’
mgMap: no visible global function definition for ‘dev.new’
mgMap: no visible global function definition for ‘par’
mgQuick: no visible global function definition for ‘distm’
mgQuick: no visible binding for global variable ‘distMeeus’
mgQuick: no visible global function definition for ‘dist’
mgQuick: no visible global function definition for ‘na.omit’
mgRDA : .genRDA: no visible global function definition for ‘princomp’
Undefined global functions or variables:
  SpatialPoints as.dist box dev.new df2genind dist distMeeus distm gray
  na.omit par points princomp propShared rect segments strheight
  strwidth symbols
Consider adding
  importFrom("grDevices", "dev.new", "gray")
  importFrom("graphics", "box", "par", "points", "rect", "segments",
             "strheight", "strwidth", "symbols")
  importFrom("stats", "as.dist", "dist", "na.omit", "princomp")
to your NAMESPACE file.