Add portable .zip build for windows

.travis.yml

@@ -29,6 +29,7 @@ deploy:
   file:
     - build/${PACKAGING_INSTALLER_NAME}-${TRAVIS_TAG}.exe
     - build/${PACKAGING_INSTALLER_NAME}-${TRAVIS_TAG}-macOS.zip
+    - build/${PACKAGING_INSTALLER_NAME}-${TRAVIS_TAG}-winportable.zip
   skip_cleanup: true
   on:
     tags: true

packaging/windows/buildpackage.sh

@@ -85,5 +85,12 @@ if [ $? -eq 0 ]; then
 fi
 popd > /dev/null
 
+echo "Packaging zip archive"
+pushd "${BUILTDIR}" > /dev/null
+find "${SRC_DIR}/thirdparty/download/windows/" -name '*.dll' -exec cp '{}' '.' ';'
+zip "${PACKAGING_INSTALLER_NAME}-${TAG}-winportable" -r -9 * --quiet --symlinks
+mv "${PACKAGING_INSTALLER_NAME}-${TAG}-winportable.zip" "${OUTPUTDIR}"
+popd > /dev/null
+
 # Cleanup
 rm -rf "${BUILTDIR}"