version up : libpng 1.6.8 and 1.5.17.
update eggs.
Upgrade Slapos.core to 1.0.1
Use newer slapos.recipe.template for inline templates
Use slapos.core 1.0.2
Use Slapos.core 1.0.2.1
version up : graphviz 0.36.0.
update eggs.
Merge remote-tracking branch 'origin/master' into erp5-component