Merge pull request #24 from collenjones/master

Fixed stackedArea chart, multiBar chart xAxis is still inverted (incorrectly)
Remove excess code from ChartView.js and add 'chartType' on Datsy model for chartype persistence
Can resize charts now
Fix linechart so paths are correct colors
Add in 2 axes chart, work on adding styles to SVG element
Converting code to CoffeeScript
Merge branch 'master' of https://github.com/Datsy/front-end