HADOOP-19383. Upgrade to Mina 2.0.27

Author: pjfanning

hadoop-project/pom.xml

@@ -1116,7 +1116,7 @@
       <dependency>
         <groupId>org.apache.mina</groupId>
         <artifactId>mina-core</artifactId>
-        <version>2.0.22</version>
+        <version>2.0.27</version>
       </dependency>
       <dependency>
         <groupId>org.apache.sshd</groupId>