Rename large multiples to point graph

better naming for the visualization
Add PointGraph visualization for exports from german gdp

closes #63
Add more padding to circles
Merge branch 'master' into 63-weaponsexport-german-gdp
Use subnav partial; add legend

add legend to viz
add texts
Merge branch 'master' into 63-weaponsexport-german-gdp

Conflicts:
	source/stylesheets/pages/_sicherheit.sass
Merge pull request #98 from okfde/63-weaponsexport-german-gdp

63 weaponsexport german gdp