Merge pull request #126 from forio/documentation

continuing work on config properties
Text edit on read me
Fixed showcase example viewer
Updated area-basic showcase example
Fixed xAxis.labels.format for time axis
Release 0.0.65
use non minified version for showcase viewer
Expanded showcase viewer chart area
Styles area-combo showcase chart
Adjusted styles and data on bar-simple showcase example
Clean up and styling for bar-export showcase example
Styled grouped bar showcase example
Styled stacked bar gallery example
Fixed textBounds for multiword text
Release 0.0.66
Styled column basic showcase example
Fixed normalizing data for categorized series
styled column grouped showcase example
Fixed default time axis format
Release 0.0.67