- has bottom vertical flow, there's a defect on the top right
- fixed strange defect on the top right of bottom view
- only one fold can be opened at a time
- vertical fold, shares the same class as horizontal fold. removed VerticalFoldView class
- added top multi fold, but not working properly
- added top multi fold
- fixed: black line visible the first time top view loads
- fixed shadow in vertical fold
- consolidate constants in a single header file
- add shadow for top and bottom view in demo project
- for top fold view, check scroll view offset, if the super view is a scroll  view
- fixed: views in vertical multifold not responding to touch when fully opened
Merge branch 'master' into top-multifold
- added option not to use optimized screenshot (retina or non-retina)
Was calling the appear / disappear methods in the incorrect order
- left multi-fold works, but pull factor is in the wrong direction
Merge branch 'use-leftmultifold-attempt2' into top-multifold

Conflicts:
	PaperFold/PaperFold.xcodeproj/project.pbxproj
	PaperFold/PaperFold/PaperFold/MultiFoldView.m
	PaperFold/PaperFold/PaperFold/PaperFoldView.h
	PaperFold/PaperFold/PaperFold/PaperFoldView.m
Merge branch 'master' into use-leftmultifold-attempt2
Merge branch 'use-leftmultifold-attempt2' into top-multifold

Conflicts:
	PaperFold/PaperFold/PaperFold/PaperFoldView.m
partial commit
- added warning, that disabling centre table view scroll, has a side effect of requiring cell to be tapped twice. To be fixed later