update to spring boot 1.4.4

Author: linux-china

pom.xml

@@ -18,8 +18,8 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
-        <spring.version>4.3.5.RELEASE</spring.version>
-        <spring-boot.version>1.4.3.RELEASE</spring-boot.version>
+        <spring.version>4.3.6.RELEASE</spring.version>
+        <spring-boot.version>1.4.4.RELEASE</spring-boot.version>
     </properties>
 
     <dependencyManagement>