fix(travis): failure in travis while creating branch like v1.4.x (#43)

Signed-off-by: mayank <[email protected]>

.travis.yml

@@ -30,11 +30,12 @@ script:
   - make container
   - kubectl cluster-info
   - |
-    if [ -z $TRAVIS_BRANCH ] || [ $TRAVIS_BRANCH == "master" ]; then
+    vR=`echo $TRAVIS_BRANCH |awk -F 'velero_'  '{print $2}'`
+    if [ -z $TRAVIS_BRANCH ] || [ $TRAVIS_BRANCH == "master" ] || [ -z $vR ]; then
       export VELERO_RELEASE=v1.0.0
-      export OPENEBS_RELEASE="1.1.0"
+      # In travis we use openebs operator from openebs/openebs:master only.
+      export OPENEBS_RELEASE="master"
     else
-      vR=`echo $TRAVIS_BRANCH |awk -F 'velero_'  '{print $2}'`
       export VELERO_RELEASE=v${vR}
       oR=`echo $TRAVIS_BRANCH |awk -F '-' '{print $1}'`
       export OPENEBS_RELEASE=${oR}