OO-4007: update spring, ActiveMQ, Hibernate, PDFBox...

pom.xml

@@ -62,8 +62,8 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<targetJdk>1.8</targetJdk>
-		<org.springframework.version>5.1.5.RELEASE</org.springframework.version>
-		<org.hibernate.version>5.4.1.Final</org.hibernate.version>
+		<org.springframework.version>5.1.6.RELEASE</org.springframework.version>
+		<org.hibernate.version>5.4.2.Final</org.hibernate.version>
 		<com.sun.jersey.version>1.19.4</com.sun.jersey.version>
 		<apache.cxf>3.2.7</apache.cxf>
 		<jackson.version>2.9.8</jackson.version>
@@ -73,7 +73,7 @@
 		<lucene.version>7.7.0</lucene.version>
 		<version.selenium>3.13.0</version.selenium>
 		<version.drone>2.5.1</version.drone>
-		<activemq.version>5.15.8</activemq.version>
+		<activemq.version>5.15.9</activemq.version>
 		<qtiworks.version>1.0.13</qtiworks.version>
 
 	    <!-- properties for testing and Q&A -->
@@ -1884,7 +1884,7 @@
 		<dependency>
 			<groupId>org.apache.pdfbox</groupId>
 			<artifactId>pdfbox</artifactId>
-			<version>2.0.13</version>
+			<version>2.0.14</version>
 			<exclusions>
 				<exclusion>
 					<groupId>commons-logging</groupId>
@@ -1895,7 +1895,7 @@
 		<dependency>
 			<groupId>org.apache.pdfbox</groupId>
 			<artifactId>xmpbox</artifactId>
-			<version>2.0.13</version>
+			<version>2.0.14</version>
 			<exclusions>
 				<exclusion>
 					<groupId>commons-logging</groupId>
@@ -2187,7 +2187,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.5.7</version>
+			<version>4.5.8</version>
 			<exclusions>
 				<exclusion>
 					<groupId>commons-logging</groupId>
@@ -2198,7 +2198,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpmime</artifactId>
-			<version>4.5.7</version>
+			<version>4.5.8</version>
 		</dependency>
 		<dependency>
 			<!-- Used by at least ical4j, basiclti -->