Began working on new class based PNotify.
Mostly working.
Many improvements and new features.

Implements Desktop Notifications.
Closes #117.
Conversion to class/instance is done.
Closes #118.
All the relevant functionality has been separated.
Closes #119.
Lots of styling improvements. Rearranged demos.
Added web notification draft link. Small clarification.
New confirm module. Split css. Fixed button bug.
Removed unnecessary lines.
Updated docs. Better history defaults.
Readme styling fix.
Removed old webkit only code in desktop module.
Some clarifications.
Hopefully fixed desktop notifications in IE.
Some fixes. Mouse only cancels remove when it's called by timer.
Updated minify script.
A script to build custom source files.
Fixed build script. New download bundle feature.
Made build script URL point to SciActive.