Fix for logback as a transitive dependency.

- updated pom.xml to have logback-classic in test scope.
- moved logback.xml from src/main/resources to src/test/resources

src/test/resources/logback.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="STDOUT"/>
+    </root>
+    
+    <logger name="org.apache" level="WARN"/>
+    <logger name="httpclient" level="WARN"/>
+</configuration>