Simplified logging code for servlets

Added and simplified unit tests, organized imports,
refactored for simplicity and reuse.

Change-Id: I4c4837447329528ae855f2e8d1a1f4b883617f33
Issue-ID: SDC-1580
Signed-off-by: vempo <vitaliy.emporopulo@amdocs.com>
diff --git a/openecomp-be/lib/openecomp-sdc-logging-lib/pom.xml b/openecomp-be/lib/openecomp-sdc-logging-lib/pom.xml
index 42da150..16fb853 100644
--- a/openecomp-be/lib/openecomp-sdc-logging-lib/pom.xml
+++ b/openecomp-be/lib/openecomp-sdc-logging-lib/pom.xml
@@ -17,6 +17,7 @@
     <modules>
         <module>openecomp-sdc-logging-api</module>
         <module>openecomp-sdc-logging-core</module>
+        <module>openecomp-sdc-logging-spring</module>
     </modules>
 
 </project>