viz height calculated from width
Merge branch 'master' into d3

Conflicts:
	public/clientApp/js/application.js
	public/clientApp/src/compile_manifest.json
util functions for graphs
minor changes to svg graph dimensions
Merge branch 'master' into d3
tests.coffee from grunt
passing x and y fields for data from view into lib/bar_chart.coffee
refactored svg barchart visualization
removed cached .gitignore file
function names refactoring
Merge branch 'd3' of github.com:unepwcmc/NRT into d3

Conflicts:
	client/src/compile_manifest.json
	client/test/tests.coffee
Merge pull request #15 from unepwcmc/d3

D3