Merge branch 'develop'

Author: stevehu

light-4j/pom.xml

@@ -9,7 +9,7 @@
     <properties>
         <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <version.light-4j>1.5.26</version.light-4j>
+        <version.light-4j>1.5.27</version.light-4j>
         <version.jackson>2.9.8</version.jackson>
         <version.slf4j>1.7.25</version.slf4j>
         <version.logback>1.2.3</version.logback>