Merge pull request #9 from manuzhang/upgrade_0.8.0

fix #7, upgrade gearpump version to 0.8.0

Author: huafengw

pom.xml

@@ -8,7 +8,7 @@
     <artifactId>streaming-java-template</artifactId>
     <version>gearpump0.7.5</version>
     <properties>
-        <gearpumpVersion>0.7.5</gearpumpVersion>
+        <gearpumpVersion>0.8.0</gearpumpVersion>
     </properties>