[JBPM-8506] Need slf4j adapter for kie server with RHDM 7 (#1824)

added org.slf4j:slf4j-jdk14 to the assembly so weblogic can log

kie-server-parent/kie-server-wars/kie-server/src/main/assembly/assembly-ee7-container.xml

@@ -69,6 +69,8 @@
 
         <include>org.jbpm:jbpm-services-ejb-timer</include>
         
+        <include>org.slf4j:slf4j-jdk14</include>
+
         <!-- hibernate core and entity manager are added via maven-dependency-pluging:copy to include JPA 2.1 versions -->
         <include>org.hibernate.common:hibernate-commons-annotations</include>
         <include>org.hibernate:hibernate-validator</include>