Add VerticalBarchart to chart classes

ability to show a bar chart vertically
use class methods for drawing sepcific elements of the graph and
override them in the vertical version
Draw the axis after the values are drawn

axis should be on top of values instead of behind for better readability
Use verticalbarchart for detail transparency scores
Add interaction for transparency chart

update the subscore chart for the seletected country
Update transparency sub viz

hide axis, add axis text inside barchart
move labels to the right
place both visualisations in one line
Rename indikatoren to use german translation

add another field for description, shown on mouseover
Add new class for Saferworld Sub Viz

new class for easier overwriting of mouseover and drawValue methods
add mouseover for showing of text description
Add description to saferworld sub viz

add pointer to barchart rect to indicate mouseover functionality
Merge branch 'master' into 78-transparency

Conflicts:
	source/data/security/transparenz/saferworld.csv
Update transparency country names

use translated country names
Merge branch 'master' into 78-transparency

Conflicts:
	source/stylesheets/pages/_sicherheit.sass
Merge pull request #87 from okfde/78-transparency

Transparenz