BAEL-8844 Get rid of all warnings in build start due to incorrect pom configurations

- Removed prerequisites tag from jee-7, jhipster-monolithic, spring-swagger-codegen-api-client
- Fixed other issues causing warnings

jws/pom.xml

@@ -13,20 +13,23 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
+	<repositories>
+	    <repository>
+	        <id>OpenNMS Repository</id>
+	        <url>http://repo.opennms.org/maven2/</url>
+	    </repository>
+	</repositories>
+
     <dependencies>
         <dependency>
-            <groupId>javax.jnlp</groupId>
+            <groupId>javax.samples.jnlp</groupId>
             <artifactId>jnlp-servlet</artifactId>
             <version>${jnlp-servlet.version}</version>
-            <scope>system</scope>
-            <systemPath>${project.basedir}/java-core-samples-lib/jnlp-servlet.jar</systemPath>
         </dependency>
         <dependency>
-            <groupId>javax.jnlp</groupId>
-            <artifactId>jardiff</artifactId>
-            <version>${jardiff.version}</version>
-            <scope>system</scope>
-            <systemPath>${project.basedir}/java-core-samples-lib/jardiff.jar</systemPath>
+            <groupId>javax.samples.jnlp</groupId>
+            <artifactId>jnlp-jardiff</artifactId>
+            <version>${jnlp-jardiff.version}</version>
         </dependency>
     </dependencies>
 
@@ -81,8 +84,8 @@
     <properties>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
         <maven-war-plugin.version>3.0.0</maven-war-plugin.version>
-        <jardiff.version>7.0</jardiff.version>
-        <jnlp-servlet.version>7.0</jnlp-servlet.version>
+        <jnlp-jardiff.version>1.6.0</jnlp-jardiff.version>
+        <jnlp-servlet.version>1.6.0</jnlp-servlet.version>
     </properties>
 
 </project>