Upgrade to Spring Framework 5.3.5.

Resolves #1189.

Author: gregturn

pom.xml

@@ -110,7 +110,7 @@
 		<slf4j.version>1.7.25</slf4j.version>
 		<smack.version>4.2.1</smack.version>
 		<soap-api.version>1.4.0</soap-api.version>
-		<spring.version>5.3.5-SNAPSHOT</spring.version>
+		<spring.version>5.3.5</spring.version>
 		<spring-security.version>5.5.0-M1</spring-security.version>
 		<stax.version>1.7.8</stax.version>
 		<sun-mail.version>1.6.0</sun-mail.version>
@@ -239,7 +239,7 @@
 		<profile>
 			<id>spring-buildsnapshot</id>
 			<properties>
-				<spring.version>5.3.5-SNAPSHOT</spring.version>
+				<spring.version>5.3.6-SNAPSHOT</spring.version>
 				<spring-security.version>5.5.0-SNAPSHOT</spring-security.version>
 			</properties>
 			<repositories>