fix travis

.travis.yml

@@ -56,16 +56,22 @@ jobs:
         (type = pull_request AND branch = staging) OR \
         (type = pull_request AND branch = master AND NOT head_branch = staging)
       script:
-      - VERSION_NUM=$(jq '.version' < package.json)
-      - test -f docs/releases/v$VERSION_NUM.md || exit 1
+      - |
+        VERSION_NUM=$(jq '.version' < package.json) && \
+        VERSION_NUM=${VERSION_NUM#\"} && \
+        VERSION_NUM=${VERSION_NUM%\"} && \
+        test -f docs/releases/v$VERSION_NUM.md || exit 1
 
     - name: Release notes linked in mkdocs.yml
       if: |
         (type = pull_request AND branch = staging) OR \
         (type = pull_request AND branch = master AND NOT head_branch = staging)
       script:
-      - VERSION_NUM=$(jq '.version' < package.json)
-      - test -z $(grep $VERSION_NUM < mkdocs.yml) && exit 1
+      - |
+        VERSION_NUM=$(jq '.version' < package.json) && \
+        VERSION_NUM=${VERSION_NUM#\"} && \
+        VERSION_NUM=${VERSION_NUM%\"} && \
+        test -z $(grep $VERSION_NUM < mkdocs.yml) && exit 1
 
     # Temporarily disabling browserstack e2e tests. They seem to fail without any reason