Merge pull request #23 from ColinHebert/logback

Do not force projects to use logback

Author: komamitsu

pom.xml

@@ -67,6 +67,7 @@
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
       <version>1.1.1</version>
+      <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>junit</groupId>