Extended README.md (#67)
Extended README.md (#67)

This commit adds additional details and setup instructions to the README.md.
mlegner/scion-coord,netsec-ethz/scion-coord,mlegner/scion-coord,mlegner/scion-coord,netsec-ethz/scion-coord,mlegner/scion-coord,netsec-ethz/scion-coord,chaehni/scion-coord,mlegner/scion-coord,chaehni/scion-coord,chaehni/scion-coord,mlegner/scion-coord,netsec-ethz/scion-coord,chaehni/scion-coord,netsec-ethz/scion-coord,chaehni/scion-coord,chaehni/scion-coord,netsec-ethz/scion-coord