update mustache version to 0.9.7 (#232)

Author: ddsharpe

pom.xml

@@ -80,7 +80,7 @@
             <dependency>
                 <groupId>com.github.spullara.mustache.java</groupId>
                 <artifactId>compiler</artifactId>
-                <version>0.9.6</version>
+                <version>0.9.7</version>
             </dependency>
             <dependency>
                 <groupId>org.jetbrains</groupId>