CI init submodules

.travis.yml

@@ -1,4 +1,4 @@
-language: generic
+language: swift
 matrix:
    include:
       # Test Ubuntu Linux 14.04
@@ -6,7 +6,11 @@ matrix:
          dist: trusty
          sudo: required
        - os: osx
-         osx_image: xcode11.1
+         osx_image: xcode11.2
+git:
+    submodules: false
+before_install:
+    - git submodule update --init --recursive
 install:
     - eval "$(curl -sL https://swiftenv.fuller.li/install.sh)"
 script: