Don't use slf4j-log4j12 nor commons-logging (CI-1281)

pom.xml

 <?xml version="1.0" encoding="UTF-8"?>
-<project
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
   xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <modelVersion>4.0.0</modelVersion>
 
@@ -47,6 +46,20 @@
   </scm>
 
   <dependencies>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api </artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>log4j-over-slf4j</artifactId>
+      <version>1.7.6</version>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <version>1.7.6</version>
+    </dependency>
     <dependency>
       <groupId>org.tango-controls</groupId>
       <artifactId>JTangoCommons</artifactId>
@@ -71,6 +84,10 @@
           <groupId>log4j</groupId>
           <artifactId>log4j</artifactId>
         </exclusion>
+        <exclusion>
+          <artifactId>commons-logging</artifactId>
+          <groupId>commons-logging</groupId>
+        </exclusion>
       </exclusions>
     </dependency>
     <dependency>
@@ -97,10 +114,6 @@
       <groupId>com.oracle</groupId>
       <artifactId>ojdbc6</artifactId>
     </dependency>
-    <!--  <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-log4j12</artifactId>
-    </dependency>-->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -111,6 +124,16 @@
       <artifactId>spring-test</artifactId>
       <version>2.5.6</version>
       <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>log4j</groupId>
+          <artifactId>log4j</artifactId>
+        </exclusion>
+        <exclusion>
+          <artifactId>commons-logging</artifactId>
+          <groupId>commons-logging</groupId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>