Build properties

pom.xml

@@ -120,6 +120,16 @@
 				<extensions>true</extensions>
 			</plugin>
 
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.5.1</version>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+				</configuration>
+			</plugin>
+
 			<!-- Signing -->
 			<!--plugin>
 				<groupId>org.apache.maven.plugins</groupId>