Change package ordering.

Newer packages are at the top.

Author: dan-zheng

Installation.md

@@ -23,22 +23,22 @@ Packages will be released nightly after automated building is set up.
 
 | Download |
 |----------|
-| [April 26, 2018](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2018-04-26-a-osx.pkg) |
 | [May 3, 2018](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2018-05-03-a-osx.pkg) |
+| [April 26, 2018](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2018-04-26-a-osx.pkg) |
 
 ### Ubuntu 16.04
 
 | Download |
 |----------|
-| [April 26, 2018](https://storage.googleapis.com/swift-tensorflow/ubuntu16.04/swift-tensorflow-DEVELOPMENT-2018-04-26-a-ubuntu16.04.tar.gz) |
 | [May 3, 2018](https://storage.googleapis.com/swift-tensorflow/ubuntu16.04/swift-tensorflow-DEVELOPMENT-2018-05-03-a-ubuntu16.04.tar.gz) |
+| [April 26, 2018](https://storage.googleapis.com/swift-tensorflow/ubuntu16.04/swift-tensorflow-DEVELOPMENT-2018-04-26-a-ubuntu16.04.tar.gz) |
 
 ### Ubuntu 14.04
 
 | Download |
 |----------|
-| [April 26, 2018](https://storage.googleapis.com/swift-tensorflow/ubuntu14.04/swift-tensorflow-DEVELOPMENT-2018-04-26-a-ubuntu14.04.tar.gz) |
 | [May 3, 2018](https://storage.googleapis.com/swift-tensorflow/ubuntu14.04/swift-tensorflow-DEVELOPMENT-2018-05-03-a-ubuntu14.04.tar.gz) |
+| [April 26, 2018](https://storage.googleapis.com/swift-tensorflow/ubuntu14.04/swift-tensorflow-DEVELOPMENT-2018-04-26-a-ubuntu14.04.tar.gz) |
 
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