Incorporating many of the changes from the original back into this fork.

Signed-off-by: Levi Brown <levigroker@gmail.com>
Removing unneeded checks for UI Appearance proxy since we are iOS 6 +

Signed-off-by: Levi Brown <levigroker@gmail.com>
Incorporating parallax effect from https://github.com/Sumi-Interactive/SIAlertView/pull/32

Signed-off-by: Levi Brown <levigroker@gmail.com>
Reducing parallax offset a bit.

Signed-off-by: Levi Brown <levigroker@gmail.com>
Refactoring.

Signed-off-by: Levi Brown <levigroker@gmail.com>
Updating podspec.

Signed-off-by: Levi Brown <levigroker@gmail.com>