Added scatter plot area fill bands. Fixed issue #100.
allow the user to cancel any animations due to momentum

If the user code makes changes to the plot while momentum is still
occurring things are not happy. I don't remember the details right now
but prior to modifying the plot I invoke cancelAnimations and the race
condition no longer occurs.
Formatted code with Uncrustify.
Added Michael Merickel to the license file.
Fix typo in prefix
Merge pull request #116 from anddam/patch-1

Fix typo in prefix
Allow the pointing device to move five points in any direction from the starting point and still fire the plot area selection delegate methods.
Cache the size of the plot area as NSDecimal values to speed up coordinate space conversion. Fixed issue #105.
Remove references to a deprecated calendar identifier in some of the example apps.
Enabled ARC in all example apps.
Made all properties in the unit tests nonatomic.
Made all properties in the example apps nonatomic.
Refactored the .xcconfig file to separate the warnings settings into a separate file.
Turned on the standard Core Plot warnings in the Plot Gallery example app and fixed the resulting warnings.
Change the CP class prefix to CPT in the Quartz Composer plugin.
Turned on the standard Core Plot warnings in the Mac CPTTestApp and fixed the resulting warnings.
Fixed compiler warnings in 32-bit builds of the Plot Gallery example app.
Turned on the standard Core Plot warnings in the iOS CPTTestApp example apps and fixed the resulting warnings.
Turned on the standard Core Plot warnings in the DatePlot example app and fixed the resulting warnings.
Turned on the standard Core Plot warnings in the DropPlot example app and fixed the resulting warnings.