THRIFT-3690 Work around docker image build failures on Travis-CI
Client: Build
Patch: Nobuaki Sukegawa

This closes #906
diff --git a/.travis.yml b/.travis.yml
index 7aa6efb..51e9f47 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,9 +25,9 @@
   - docker
 
 install:
-  - docker pull thrift/$DISTRO:latest || true
+  - travis_wait docker pull thrift/$DISTRO:latest || true
   - cp -r ./build/docker/scripts/*.sh ./build/docker/$DISTRO/scripts/
-  - docker build -q -t thrift-build build/docker/$DISTRO
+  - travis_wait travis_retry docker build -q -t thrift-build build/docker/$DISTRO
 
 script:
   - docker run $BUILD_ENV -v $(pwd):/thrift/src -it thrift-build $BUILD_CMD $BUILD_ARG