Change CDI Index to show all countries and their score on a barchart

show the CDI Index per Country on a Barchart
Use new Key for Security CDI Index
format CDI index; highlight germany
Add subIndex for Overall Ranking

needs animation and mouseover changes; for now only Germany
Merge branch 'master' into 2-cdi-index

Conflicts:
	source/javascripts/sicherheit.coffee
	source/stylesheets/pages/_sicherheit.sass
Merge pull request #17 from okfde/2-cdi-index

CDI index