[ci skip]: Setting up v9.3.0.x branch

Author: mirskifa

Diff for: .travis.yml

@@ -25,7 +25,7 @@ services:
 
 env:
   global:
-    - MAIN_BRANCH=private-master
+    - MAIN_BRANCH=v9.3.0.x
     - TAGCACHE_FILE=tagcache
     - RELEASE=r1
 
@@ -38,7 +38,7 @@ go_import_path: "github.com/ibm-messaging/mq-container"
 jobs:
   include:
     - stage: basic-build
-      if: branch != private-master AND tag IS blank
+      if: branch != v9.3.0.x AND tag IS blank
       name: "Basic AMD64 build"
       os: linux
       env:
@@ -48,12 +48,12 @@ jobs:
     # CD Build
 
     - stage: global-tag
-      if: branch = private-master AND type != pull_request OR tag =~ ^release-candidate*
+      if: branch = v9.3.0.x AND type != pull_request OR tag =~ ^release-candidate*
       name: "Generate Global Tag"
       os: linux
       script: bash -e travis-build-scripts/global-tag.sh
     - stage: build
-      if: branch = private-master OR tag =~ ^release-candidate*
+      if: branch = v9.3.0.x OR tag =~ ^release-candidate*
       name: "Multi-Arch AMD64 build"
       os: linux
       env:
@@ -62,7 +62,7 @@ jobs:
         - MQ_ARCHIVE_REPOSITORY_DEV=$MQ_930_ARCHIVE_REPOSITORY_DEV_AMD64
       script: bash -e travis-build-scripts/run.sh
     - stage: build
-      if: branch = private-master OR tag =~ ^release-candidate*
+      if: branch = v9.3.0.x OR tag =~ ^release-candidate*
       name: "Multi-Arch S390X build"
       os: linux-s390
       env:
@@ -72,7 +72,7 @@ jobs:
         - MQ_ARCHIVE_REPOSITORY_DEV=$MQ_930_ARCHIVE_REPOSITORY_DEV_S390X
       script: bash -e travis-build-scripts/run.sh
     - stage: build
-      if: branch = private-master OR tag =~ ^release-candidate*
+      if: branch = v9.3.0.x OR tag =~ ^release-candidate*
       name: "Multi-Arch PPC64LE build"
       os: linux-ppc64le
       env:
@@ -82,7 +82,7 @@ jobs:
         - MQ_ARCHIVE_REPOSITORY_DEV=$MQ_930_ARCHIVE_REPOSITORY_DEV_PPC64LE
       script: bash -e travis-build-scripts/run.sh
     - stage: push-manifest
-      if: branch = private-master AND type != pull_request OR tag =~ ^release-candidate*
+      if: branch = v9.3.0.x AND type != pull_request OR tag =~ ^release-candidate*
       name: "Push Manifest-list to registry"
       env:
         - PUSH_MANIFEST_ONLY=true