Update Travis configuration

This will hopefully reduce the need for future en masse updates.

Author: ctrueden

.travis.yml

@@ -1,11 +1,11 @@
 language: java
 jdk: oraclejdk8
 branches:
-  only: master
+  only:
+  - master
+  - "/.*-[0-9]+\\..*/"
 install: true
 script: ".travis/build.sh"
-after_success: ".travis/notify.sh Travis-Success"
-after_failure: ".travis/notify.sh Travis-Failure"
 env:
   global:
   - secure: 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

.travis/build.sh

@@ -1,10 +1,3 @@
 #!/bin/sh
-dir="$(dirname "$0")"
-if [ "$TRAVIS_SECURE_ENV_VARS" = true \
-  -a "$TRAVIS_PULL_REQUEST" = false \
-  -a "$TRAVIS_BRANCH" = master ]
-then
-  mvn -Pdeploy-to-imagej deploy --settings "$dir/settings.xml"
-else
-  mvn install
-fi
+curl -fsLO https://raw.githubusercontent.com/scijava/scijava-scripts/master/travis-build.sh
+sh travis-build.sh