Merge branch '1.5.x' into 2.0.x

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -54,7 +54,7 @@
 		<derby.version>10.14.1.0</derby.version>
 		<dom4j.version>1.6.1</dom4j.version>
 		<dropwizard-metrics.version>3.2.6</dropwizard-metrics.version>
-		<ehcache.version>2.10.4</ehcache.version>
+		<ehcache.version>2.10.5</ehcache.version>
 		<ehcache3.version>3.5.2</ehcache3.version>
 		<embedded-mongo.version>2.0.3</embedded-mongo.version>
 		<flyway.version>5.0.7</flyway.version>
@@ -62,7 +62,7 @@
 		<elasticsearch.version>5.6.8</elasticsearch.version>
 		<glassfish-el.version>3.0.0</glassfish-el.version>
 		<groovy.version>2.4.15</groovy.version>
-		<gson.version>2.8.2</gson.version>
+		<gson.version>2.8.4</gson.version>
 		<h2.version>1.4.197</h2.version>
 		<hamcrest.version>1.3</hamcrest.version>
 		<hazelcast.version>3.9.3</hazelcast.version>
@@ -173,9 +173,9 @@
 		<thymeleaf-layout-dialect.version>2.3.0</thymeleaf-layout-dialect.version>
 		<thymeleaf-extras-data-attribute.version>2.0.1</thymeleaf-extras-data-attribute.version>
 		<thymeleaf-extras-java8time.version>3.0.1.RELEASE</thymeleaf-extras-java8time.version>
-		<tomcat.version>8.5.29</tomcat.version>
+		<tomcat.version>8.5.31</tomcat.version>
 		<unboundid-ldapsdk.version>4.0.5</unboundid-ldapsdk.version>
-		<undertow.version>1.4.24.Final</undertow.version>
+		<undertow.version>1.4.25.Final</undertow.version>
 		<webjars-hal-browser.version>3325375</webjars-hal-browser.version>
 		<webjars-locator-core.version>0.35</webjars-locator-core.version>
 		<wsdl4j.version>1.6.3</wsdl4j.version>