major changes to make it way more flexible:

1) made the drag view support top right as well as bottom right corner mode.

2) made the view snap to horizontal or vertical mode

3) made it more flexible by removing the need to externally call 'refresh' after orientation change

4) added animationDuration and a new curlPage convenience
new category to make any uiview easily curlable.
updated the sample to work and show off the new features as well
fix to convenience method to respect dividerMode
added an improvised cornerOverlay
added icon
copyright fix -- pageDragView honors animationDuration
fixed license & readme
fixed an annoying scaling bug that caused the snapping points to fail
draw nicer corners
always override the dedicated initializer
minor fixes: snapping, antialiasing, drawing corners
doh, forgot file write calls from debugging on sim
better masked corners, very much updated sample, full arc mode => XBPageCurl On Steroids 1.0