Update .travis.yml:

1. fix issue: worry target of push docker image in makefile

Author: pancongwen

.travis.yml

@@ -24,13 +24,13 @@ script:
 
 deploy:
   - provider: script
-    script: make deploy USER=$DOCKER_USER PASS=$DOCKER_PASS ARCH=$ARCH TAG=$TRAVIS_BRANCH
+    script: make pushtohub USER=$DOCKER_USER PASS=$DOCKER_PASS ARCH=$ARCH TAG=$TRAVIS_BRANCH
     on:
       all_branches: true
       condition: "$TRAVIS_BRANCH =~ ^master|develop$"
 
   - provider: script
-    script: make deploy USER=$DOCKER_USER PASS=$DOCKER_PASS ARCH=$ARCH TAG=$TRAVIS_TAG
+    script: make pushtohub USER=$DOCKER_USER PASS=$DOCKER_PASS ARCH=$ARCH TAG=$TRAVIS_TAG
     on:
       tags: true
       all_branches: true