converted logging to slf4j

sharepoint/api/src/test/resources/log4j.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"  
+                     debug="true">
+
+    <appender name="consoleAppender" class="org.apache.log4j.ConsoleAppender">
+        <layout class="org.apache.log4j.PatternLayout">
+            <param name="ConversionPattern" value="%d{ISO8601} %-5p [%c] %m%n" />
+        </layout>
+    </appender>
+    
+    <category name="de.muehlencord">
+        <priority value="TRACE"/>
+    </category>
+    
+    <category name="com.wincornixdorf">
+        <priority value="DEBUG"/>
+    </category>    
+       
+    <root>
+        <level value="INFO" />
+        <appender-ref ref="consoleAppender" />
+    </root>
+
+</log4j:configuration>