Moved CI.sh to scripts directory.

.travis.yml

@@ -8,4 +8,4 @@ osx_image: xcode8
 install:
     - eval "$(curl -sL https://gist.githubusercontent.com/kylef/5c0475ff02b7c7671d2a/raw/9f442512a46d7a2af7b850d65a7e9bd31edfb09b/swiftenv-install.sh)"
 script:
-    - ./CI.sh
+    - ./scripts/CI.sh