Merge branch 'develop'

# Conflicts:
#	pom.xml

Author: Luis Lázaro

README.md

@@ -29,15 +29,15 @@ Download the official mysql jdbc driver and copy in libext flume plugins directo
 ```
 $ wget https://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-5.1.35.tar.gz
 $ tar xzf mysql-connector-java-5.1.35.tar.gz
-$ cp mysql-connector-java-5.1.35-bin.jar $FLUME_HOME/plugins.d/lib/sql-source/libext
+$ cp mysql-connector-java-5.1.35-bin.jar $FLUME_HOME/plugins.d/sql-source/libext
 ```
 
 ##### Microsoft SQLServer
 Download the official Microsoft 4.1 Sql Server jdbc driver and copy in libext flume plugins directory:  
 Download URL: https://www.microsoft.com/es-es/download/details.aspx?id=11774  
 ```
 $ tar xzf sqljdbc_4.1.5605.100_enu.tar.gz
-$ cp sqljdbc_4.1/enu/sqljdbc41.jar $FLUME_HOME/plugins.d/lib/sql-source/libext
+$ cp sqljdbc_4.1/enu/sqljdbc41.jar $FLUME_HOME/plugins.d/sql-source/libext
 ```
 
 ##### IBM DB2
@@ -150,3 +150,8 @@ Special thanks
 
 I used flume-ng-kafka to guide me (https://github.com/baniuyao/flume-ng-kafka-source.git).
 Thanks to [Frank Yao](https://github.com/baniuyao).
+
+Version History
+---------------
+Actual stable version is 1.5.0 (compatible with Apache Flume 1.8.0)
+Previous stable version is 1.4.3 (compatible with Apache Flume prior to 1.7.0)

src/main/java/org/keedio/flume/source/SQLSource.java

@@ -45,7 +45,16 @@
  * @author <a href="mailto:mvalle@keedio.com">Marcelo Valle</a>
  */
 public class SQLSource extends AbstractSource implements Configurable, PollableSource {
-    
+    @Override
+    public long getBackOffSleepIncrement() {
+        return 0;
+    }
+
+    @Override
+    public long getMaxBackOffSleepInterval() {
+        return 0;
+    }
+
     private static final Logger LOG = LoggerFactory.getLogger(SQLSource.class);
     protected SQLSourceHelper sqlSourceHelper;
     private SqlSourceCounter sqlSourceCounter;