Updated Approach chapter

	modified:   Thesis/t02/Figures/approach.pdf
	new file:   Thesis/t02/Figures/approach.xml
	modified:   Thesis/t02/biblio.bib
	modified:   Thesis/t02/c4_Approach.tex
Removed some lock file.

	deleted:    Papers/Presentations/05.Holi 2014 - Midterm/.~lock.ActivityRecognition.pptx#