Updated thesis. Evaluation almost finished.

	new file:   2-thesis/src/conclusion.tex
	modified:   2-thesis/src/evaluation.tex
	modified:   2-thesis/src/formalization.tex
	modified:   2-thesis/src/introduction.tex
	modified:   2-thesis/src/soa_p2p_trust.tex
	modified:   2-thesis/src/system.tex
	new file:   2-thesis/src/validation.tex
	modified:   2-thesis/thesis.tex