exposing padding and x-axis spacing as properties
adding configuration for horizontal only smoothing
using Storyboard + IBOutlets for the charViews
Merge branch 'master' of https://github.com/rcarlsen/ios-linechart into fillplot

# By Robert Carlsen
# Via Robert Carlsen
* 'master' of https://github.com/rcarlsen/ios-linechart:
  adding configuration for horizontal only smoothing
  exposing padding and x-axis spacing as properties

Conflicts:
	ios-linechart/LCLineChartView.h
	ios-linechart/LCLineChartView.m
Set the "fill plot" attribute to YES for the upper chartView