Resolved slf4j binding conflict in tests

Removed an slf4j binding, moved dependencies up to the
dependencyManagement of root POM, improved logging.

Change-Id: I21eb5160adac7d520363a524e679962be4754d11
Issue-ID: SDC-1278
Signed-off-by: vempo <vitaliy.emporopulo@amdocs.com>
diff --git a/onboarding/pom.xml b/onboarding/pom.xml
index f310178..aa34550 100644
--- a/onboarding/pom.xml
+++ b/onboarding/pom.xml
@@ -126,6 +126,11 @@
             </dependency>
             <dependency>
                 <groupId>org.springframework</groupId>
+                <artifactId>spring-context</artifactId>
+                <version>${spring.framework.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework</groupId>
                 <artifactId>spring-webmvc</artifactId>
                 <version>${spring.framework.version}</version>
             </dependency>
@@ -272,6 +277,11 @@
                 <version>${commons.lang3.version}</version>
             </dependency>
             <dependency>
+                <groupId>io.swagger</groupId>
+                <artifactId>swagger-annotations</artifactId>
+                <version>${swagger.version}</version>
+            </dependency>
+            <dependency>
                 <groupId>org.testng</groupId>
                 <artifactId>testng</artifactId>
                 <version>${testng.version}</version>