Add simple logging for convex-integration

Author: mikera

convex-integration/pom.xml

@@ -99,7 +99,7 @@
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-nop</artifactId>
+			<artifactId>slf4j-simple</artifactId>
 			<version>${slf4j.version}</version>
 		</dependency>
 	</dependencies>