Merge pull request #74 from jwilling/fix-readme-images

Fix the readme
Xcode?
set mid to 0, preventing garbage values with 0 items in section
add a way to set the underlying scroll view background color

FIxes #75.
update all header comments to be compatible with Xcode 5's doc generation
Merge pull request #76 from jwilling/fix-zero-count-list

Fix an issue with the list layout when there were 0 items
Merge pull request #77 from jwilling/fix-default-color

Add a way to set the underlying scroll view background color
Merge pull request #78 from jwilling/update-documentation-format

Update docs for Xcode 5 format
use the actual doc view's bounds instead of the doc rect

Fixes an issue where the document view wasn’t actually being resized
because the encompassing size wasn’t set when it needed to be.
Merge pull request #79 from jwilling/fix-redraw

Fix redraw
just ignore xccheckout, it's becoming annoying
Merge pull request #80 from jwilling/ignore-xccheckout

Ignore xccheckout in gitignore
fix missing third slash on some docs
Merge pull request #81 from jwilling/fix-documentation

Fix documentation
++JNWScrollView
add a vertical spacing property to the list layout
Merge pull request #82 from jwilling/vertical-spacing-list

Add a vertical spacing property
dataSource and delegate marked as IBOutlet to be useful with InterfaceBuilder
Merge pull request #83 from AlexDenisov/ib_outlets

dataSource and delegate marked as IBOutlet
revert addition of a scroll view background color property

Also remove the override of the original backgroundColor property.
After looking carefully at Apple’s documentation it turns out that
scroll views and content views don’t maintain a separate state of
background color, rather they share the same state. So it should Do The
Right Thing™.