Deploy tags as GitHub Releases (#84)

Currently always deploying for testing purposes

.travis.yml

@@ -126,3 +126,14 @@ before_script: $CHROOT ./.travis_build.sh
 script: ./.travis_test.sh
 
 after_success: ./.travis_deploy.sh
+
+deploy:
+  provider: releases
+  api_key:
+    secure: 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
+  file_glob: true
+  file: "./products/*.{dmg,gz,zip}"
+  skip_cleanup: true
+  on:
+    # tags: true
+    repo: OpenSmalltalk/opensmalltalk-vm