Update Miyawaki figures
Merge branch 'master' of https://github.com/AlexandreAbraham/frontiers2013

Conflicts:
	img/miyawaki/figure.pdf
	img/miyawaki/figure_encoding.pdf
	img/miyawaki/figure_encoding.tex
Merge branch 'master' of https://github.com/AlexandreAbraham/frontiers2013

Conflicts:
	img/miyawaki/figure_encoding.pdf
	img/miyawaki/figure_encoding.tex