Update Travis and Appveyor's Bazel version. (#129)

Author: Ian Sturdy

.travis.yml

@@ -7,9 +7,9 @@ env: BAZEL_OPTIONS="--local_resources=4096,2,1.0 --copt=-Werror=thread-safety"
 
 before_install:
   - tools/format.sh
-  - wget https://github.com/bazelbuild/bazel/releases/download/0.8.1/bazel-0.8.1-installer-linux-x86_64.sh
-  - chmod +x bazel-0.8.1-installer-linux-x86_64.sh
-  - ./bazel-0.8.1-installer-linux-x86_64.sh --user
+  - wget https://github.com/bazelbuild/bazel/releases/download/0.11.1/bazel-0.11.1-installer-linux-x86_64.sh
+  - chmod +x bazel-0.11.1-installer-linux-x86_64.sh
+  - ./bazel-0.11.1-installer-linux-x86_64.sh --user
 
 script:
   # We can't use --noshow_progress because Travis terminates the

tools/appveyor/install.bat

@@ -19,7 +19,7 @@ IF NOT EXIST %INSTALL_CACHE% (MKDIR %INSTALL_CACHE%)
 
 REM Download bazel into install cache, which is on the path.
 IF NOT EXIST %INSTALL_CACHE%\bazel.exe (
-  appveyor DownloadFile https://github.com/bazelbuild/bazel/releases/download/0.10.1/bazel-0.10.1-without-jdk-windows-x86_64.exe -FileName %INSTALL_CACHE%\bazel.exe
+  appveyor DownloadFile https://github.com/bazelbuild/bazel/releases/download/0.11.1/bazel-0.11.1-without-jdk-windows-x86_64.exe -FileName %INSTALL_CACHE%\bazel.exe
 )
 
 REM Temporary directory for bazel.