Release 3.1.5

Signed-off-by: Kemar White <gailsx@gmail.com>

Release 3.1.5

Signed-off-by: Kemar White <gailsx@gmail.com>

Release 3.1.4

Update podspec to 3.1.3

Merge pull request PureLayout#222 from PureLayout/lwdupont-patch-1

Properly release the new version.

Merge pull request PureLayout#219 from PureLayout/Change-podspec-file…

…-to-release-3.1

Ya, still new at CocoaPods. Change the podspec file to release 3.1.

Merge pull request PureLayout#218 from PureLayout/bump-version-to-3.1

Bump version to 3.1.

Version 3.0.2

Bump version to 3.0.1

There are no real changes in 3.0.1 (from 3.0.0). This release exists
simply to switch over to using PureLayout’s new repository URL.

Update README