POM: move dependency versions to properties

Author: ctrueden

pom.xml

@@ -106,6 +106,9 @@ Wisconsin-Madison.</license.copyrightOwners>
 		<!-- NB: Deploy releases to the SciJava Maven repository. -->
 		<releaseProfiles>deploy-to-scijava</releaseProfiles>
 
+		<jdatepicker.version>1.3.2</jdatepicker.version>
+		<object-inspector.version>0.1</object-inspector.version>
+
 		<miglayout-swing.version>5.2</miglayout-swing.version>
 	</properties>
 
@@ -145,7 +148,7 @@ Wisconsin-Madison.</license.copyrightOwners>
 		<dependency>
 			<groupId>com.github.sbridges.object-inspector</groupId>
 			<artifactId>object-inspector</artifactId>
-			<version>0.1</version>
+			<version>${object-inspector.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.miglayout</groupId>
@@ -155,7 +158,7 @@ Wisconsin-Madison.</license.copyrightOwners>
 		<dependency>
 			<groupId>net.sourceforge.jdatepicker</groupId>
 			<artifactId>jdatepicker</artifactId>
-			<version>1.3.2</version>
+			<version>${jdatepicker.version}</version>
 		</dependency>
 
 		<!-- Test scope dependencies -->