Update Polly: 0.7.2

Author: ruslo

.travis.yml

@@ -8,7 +8,7 @@ addons:
 
 install:
   # install cmake toolchains and script
-  - POLLY_VERSION="0.7.1"
+  - POLLY_VERSION="0.7.2"
   - wget "https://github.com/ruslo/polly/archive/v${POLLY_VERSION}.tar.gz"
   - tar xf "v${POLLY_VERSION}.tar.gz"
   - export PATH="`pwd`/polly-${POLLY_VERSION}/bin:${PATH}"