Fix for SSH pull dependencies in travis

.travis.yml

@@ -2,6 +2,15 @@
 language: csharp
 solution: NitroDebugger.sln
 
+# Handle git submodules yourself
+git:
+    submodules: false
+
+# Use sed to replace the SSH URL with the public URL, then initialize submodules
+before_install:
+  - sed -i 's/git@github.com:/https:\/\/github.com\//' .gitmodules
+  - git submodule update --init --recursive
+
 # In this way it does not override install
 before_script:
   - sudo apt-get install nunit-console