ci(travis): handle deploy failure, reduce time taken for sqlite

.travis.yml

@@ -58,10 +58,10 @@ jobs:
       node_js: 4
       env: POSTGRES_VER=postgres-95 DIALECT=postgres-native COVERAGE=true
     - stage: tests
-      node_js: 6
+      node_js: 8
       env: DIALECT=sqlite
     - stage: tests
-      node_js: 8
+      node_js: 6
       env: DIALECT=sqlite
     - stage: docs
       node_js: 6
@@ -80,4 +80,4 @@ jobs:
         - TRAVIS_JOB_NUMBER=WORKAROUND.1
       script:
         - npm run lint
-        - 'if [ "${TRAVIS_PULL_REQUEST}" = "false" ] && [ "${TRAVIS_BRANCH}" = "master" ]; then npm run semantic-release; fi'
+        - 'if [ "${TRAVIS_PULL_REQUEST}" = "false" ] && [ "${TRAVIS_BRANCH}" = "master" ]; then npm run semantic-release; fi || true'