Adding stuff

	modified:   2-thesis/src/system.tex
Add more images

	new file:   img/Makefile
	new file:   img/Untitled.xcf
	new file:   img/bayeux_maitenance.png
	new file:   img/bayeux_routing.png
	new file:   img/can_structure.jpeg
	new file:   img/can_structure.pdf
	new file:   img/chord-search.png
	new file:   img/chord_structure.jpeg
	new file:   img/decentralized-structured.png
	new file:   img/decentralized-unstructured.png
	new file:   img/di.pdf
	new file:   img/di.svg
	new file:   img/kademlia_dht_example.png
	new file:   img/p2p-structured.png
	new file:   img/p2p-unstructured.png
	new file:   img/p2p_social_network_arquitecture.png
	new file:   img/pastry-routing-table.png
	new file:   img/pastryrouting.png
	new file:   img/pht_trie.png
	new file:   img/pring.png
	new file:   img/scribe_routing.png
	new file:   img/social_graph.pdf
	new file:   img/social_graph.svg
	new file:   img/tapestry_node.png
	new file:   img/user.png
	new file:   img/user.xcf
	new file:   img/utfsm.pdf
	new file:   img/utfsm.svg
	new file:   img/willow_routing.png