Added option to specify which column a series should use as x-column
Merge branch 'master' into dev-irregular-data
Reworked reading of series. Now with possibility to read from any column index.
Changed so that all configured options in seriesMapping is imported as properties on point objects
Test exports should be commented out
Merge branch 'master' into dev-irregular-data
Need to be able to switch 'x' reader to 'name' when axis is categorical
Added test
jslint fixes
Merge branch 'master' into dev-irregular-data
Merge branch 'master' into dev-irregular-data
Merge branch 'master' into dev-irregular-data
Fixed regression in samples
Reduced file size of data module with the new seriesMapping logic by removing redundant objects and inlining redundant prototype methods.
Merge remote-tracking branch 'origin/master' into dev-irregular-data

Conflicts:
	js/modules/data.src.js
Merge remote-tracking branch 'origin/dev-irregular-data'
Merge remote-tracking branch 'upstream/master'