AMBARI-24799. Fix jetty CVEs for Log Search (2.7.x) (#2483)

ambari-logsearch/ambari-logsearch-server/pom.xml

@@ -27,15 +27,15 @@
   <url>http://maven.apache.org</url>
   <name>Ambari Logsearch Server</name>
   <properties>
-    <spring.version>4.3.18.RELEASE</spring.version>
+    <spring.version>4.3.20.RELEASE</spring.version>
     <spring.security.version>4.2.4.RELEASE</spring.security.version>
     <spring.ldap.version>2.2.0.RELEASE</spring.ldap.version>
     <jersey.version>2.25.1</jersey.version>
-    <jetty.version>9.4.11.v20180605</jetty.version>
+    <jetty.version>9.4.12.v20180830</jetty.version>
     <swagger.version>1.5.16</swagger.version>
     <spring-data-solr.version>2.0.2.RELEASE</spring-data-solr.version>
     <jjwt.version>0.6.0</jjwt.version>
-    <spring-boot.version>1.5.14.RELEASE</spring-boot.version>
+    <spring-boot.version>1.5.17.RELEASE</spring-boot.version>
   </properties>
   <profiles>
     <profile>