adds the ignoring of gpg to travis file

Author: Fernando Saint-Jean

travis/publish.sh

@@ -110,23 +110,23 @@ if ! is_pull_request && build_started_by_tag; then
   check_release_tag
 fi
 
-./mvnw install -nsu
+./mvnw install -nsu -Dgpg.skip=true
 
 # If we are on a pull request, our only job is to run tests, which happened above via ./mvnw install
 if is_pull_request; then
   true
 # If we are on master, we will deploy the latest snapshot or release version
 #   - If a release commit fails to deploy for a transient reason, delete the broken version from bintray and click rebuild
 elif is_travis_branch_master; then
-  ./mvnw --batch-mode -s ./.settings.xml -Prelease -nsu -DskipTests deploy
+  ./mvnw --batch-mode -s ./.settings.xml -Prelease -nsu -DskipTests -Dgpg.skip=true deploy
 
   # If the deployment succeeded, sync it to Maven Central. Note: this needs to be done once per project, not module, hence -N
   if is_release_commit; then
-    ./mvnw --batch-mode -s ./.settings.xml -nsu -N io.zipkin.centralsync-maven-plugin:centralsync-maven-plugin:sync
+    ./mvnw --batch-mode -s ./.settings.xml -nsu -Dgpg.skip=true -N io.zipkin.centralsync-maven-plugin:centralsync-maven-plugin:sync
   fi
 
 # If we are on a release tag, the following will update any version references and push a version tag for deployment.
 elif build_started_by_tag; then
   safe_checkout_master
-  ./mvnw --batch-mode -s ./.settings.xml -Prelease -nsu -DreleaseVersion="$(release_version)" -Darguments="-DskipTests" release:prepare
+  ./mvnw --batch-mode -s ./.settings.xml -Prelease -nsu -DreleaseVersion="$(release_version)" -Darguments="-DskipTests -Dgpg.skip=true" release:prepare
 fi