Updated travis cfg to push latest docker image on master builds.

Updated docker hub repo to influxgraph/influxgraph.

.travis.yml

@@ -65,18 +65,11 @@ jobs:
         password:
           secure: 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
         skip_upload_docs: true
-        after_deploy:
-          - docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD" &&
-            cd docker &&
-            docker build -t ikuosu/influxgraph:${TRAVIS_TAG} . &&
-            docker push ikuosu/influxgraph:${TRAVIS_TAG};
-      after_success:
-        - if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PULL_REQUEST" == "false" ]]; then
-            docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD" &&
-            cd docker &&
-            docker build -t ikuosu/influxgraph:latest . &&
-            docker push ikuosu/influxgraph:latest;
-          fi
+      after_deploy:
+        - docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD" &&
+          cd docker &&
+          docker build --pull -t ikuosu/influxgraph:${TRAVIS_TAG} . &&
+          docker push influxgraph/influxgraph:${TRAVIS_TAG};
 before_install:
   - pip install -U pip setuptools wheel
   - wget https://dl.influxdata.com/influxdb/releases/influxdb_${INFLUXDB_VERSION}_amd64.deb
@@ -95,6 +88,13 @@ script:
   - flake8 influxgraph
 after_success:
   - codecov
+  - if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PULL_REQUEST" == "false" ]]; then
+      docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD" &&
+      cd docker &&
+      docker build --pull -t ikuosu/influxgraph:latest . &&
+      docker push influxgraph/influxgraph:latest;
+    fi
+
 services:
   - memcached
   - docker