Added a datasource class that automatically creates scatter plot data from a function. Fixed issue 87.
Added a range limit to the function datasource.
Built new HTML docs.
Removed some unused images from the HTML docs.
Removed unused image files from several example apps.
Added @2x app icons to the iOS Plot Gallery and CPTTestApp example apps.
Added an option to turn off automatic plot data label anchor point adjustments. Fixed issue 473.
Built new HTML docs.