Remove logback, reverting to log4j

log4j-over-slf4j doesn't implement addAppender/removeAppender, which
we use, thus causing our tests to break with
IncompatibleClassChangeError.

zanata-war/pom.xml

@@ -953,13 +953,6 @@
 
 	<dependencies>
 
-        <!-- This needs to appear before log4j and before jboss-embedded-all -->
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>log4j-over-slf4j</artifactId>
-            <scope>test</scope>
-        </dependency>
-
         <!-- Zanata-specific dependencies -->
 
 		<dependency>
@@ -1215,12 +1208,6 @@
          <scope>provided</scope>
 		</dependency>
 
-      <dependency>
-         <groupId>ch.qos.logback</groupId>
-         <artifactId>logback-classic</artifactId>
-         <scope>test</scope>
-      </dependency>
-
         <dependency>
             <groupId>net.sourceforge.openutils</groupId>
             <artifactId>openutils-log4j</artifactId>
@@ -1350,6 +1337,12 @@
 			<scope>provided</scope>
 		</dependency>
 
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
@@ -1465,7 +1458,7 @@
 
 		<!-- Testing dependencies -->
 
-        <dependency>
+		<dependency>
 			<groupId>org.jboss.embedded</groupId>
 			<artifactId>jboss-embedded-all</artifactId>
 			<version>${jboss.embedded.version}</version>

zanata-war/src/test/resources/log4j.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd" >
+<log4j:configuration>
+    <appender name="STDOUT" class="org.apache.log4j.ConsoleAppender">
+        <param name="threshold" value="info"/>
+        <layout class="org.apache.log4j.PatternLayout">
+            <param name="ConversionPattern" value="%-5p [%c{1}] - %m%n" />
+        </layout>
+    </appender>
+    <appender name="FILE" class="org.apache.log4j.RollingFileAppender">
+        <param name="file" value="target/test.log"/>
+        <layout class="org.apache.log4j.PatternLayout">
+            <param name="ConversionPattern" value="%d %-5p [%c] - %m%n" />
+        </layout>
+    </appender>
+    <logger name="org.hibernate">
+        <level value="info" />
+    </logger>
+    <root>
+        <level value="debug" />
+        <appender-ref ref="STDOUT" />
+        <appender-ref ref="FILE" />
+    </root>
+</log4j:configuration>