ema plotting, sma not plotted
Merge branch 'master' of https://github.com/cheseaux/BitcoinTradingSystem

Conflicts:
	reactive-stocks/app/assets/javascripts/index.coffee
Merge branch 'master' of https://github.com/cheseaux/BitcoinTradingSystem
Merge branch 'master' of https://github.com/cheseaux/BitcoinTradingSystem
Added human readable timestamps, selectable nb values plotted
Merge branch 'master' of https://github.com/cheseaux/BitcoinTradingSystem