Split deploy step into own job to enable integration tests in master

.gitlab-ci.yml

 stages:
 - windows
-- linux
+- linuxCompile
 - integration
-
-masterJobLinux:
-  stage: linux
-  image: maven:3-jdk-8
-  script:
-  - mvn -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -B  clean deploy --settings settings.xml
-  - cat target/site/jacoco/index.html
-  - mvn package sonar:sonar -s settings.xml
-  only:
-  - master
+- linuxDeploy
 
 masterJobWindows:
   stage: windows
@@ -20,16 +11,35 @@ masterJobWindows:
   tags:
   - Windows10
 
-BranchJobLinux:
-  stage: linux
+CompileJobLinux:
+  stage: linuxCompile
   image: maven:3-jdk-8
   artifacts:
     paths:
-    - target/generated-sources-cmake/
-    - target/generated-sources-ros2/
+    - target/
+    expire_in: 1 day
   script:
   - mvn -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -B  clean install --settings settings.xml
   - cat target/site/jacoco/index.html
+
+DeployJobLinux:
+  stage: linuxDeploy
+  image: maven:3-jdk-8
+  dependencies:
+    - CompileJobLinux
+  script:
+  - mvn -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -B deploy --settings settings.xml
+  only:
+  - master
+
+FakeDeployJobLinux:
+  stage: linuxDeploy
+  image: maven:3-jdk-8
+  dependencies:
+    - CompileJobLinux
+  script:
+  - echo "branch != master => skipping deploy"
+  - ls target
   except:
   - master
 
@@ -37,9 +47,7 @@ RosIntegrationJob:
   stage: integration
   image: registry.git.rwth-aachen.de/monticore/embeddedmontiarc/generators/emam2middleware/ema-ros-kinetic
   dependencies:
-    - BranchJobLinux
-  except:
-  - master
+    - CompileJobLinux
   script:
   - ./src/test/bash/integrationTestRos.sh
 
@@ -48,7 +56,5 @@ Ros2IntegrationJob:
   image: registry.git.rwth-aachen.de/monticore/embeddedmontiarc/generators/emam2middleware/ema-ros-crystal
   dependencies:
     - BranchJobLinux
-  except:
-  - master
   script:
   - ./src/test/bash/integrationTestRos2.sh