Introduce automatic release upload to Github

See https://docs.travis-ci.com/user/deployment/releases and
https://docs.travis-ci.com/user/deployment for more information.

Author: ignisf

.travis.yml

@@ -22,6 +22,16 @@ before_install:
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then gem update --system; fi
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then gem update bundler; fi
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then sudo gem install bundler ; fi
+script:
+  - MAKEFLAGS+=-j8 bundle exec rake checkout compile spec binary --trace
+deploy:
+  provider: releases
+  file: $(git ls-files -o pkg | head -1)
+  api_key:
+    secure: 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
+  skip_cleanup: true
+  on:
+    tags: true
 notifications:
   recipients:
     - cowboyd@thefrontside.net