update install notes
update install notes

sebastic/libkml,rashadkm/libkml,sebastic/libkml,sebastic/libkml,rashadkm/libkml,sebastic/libkml,rashadkm/libkml,libkml/libkml,libkml/libkml,sebastic/libkml,sebastic/libkml,rashadkm/libkml,libkml/libkml,rashadkm/libkml,libkml/libkml,sebastic/libkml,sebastic/libkml,libkml/libkml