invert logic for adding the --release tag from override in 8 to add in 9+

Author: axtimwalde

pom.xml

@@ -161,14 +161,13 @@
 		<license.copyrightOwners>N/A</license.copyrightOwners>
 
 		<!-- Compiler configuration. -->
-		<scijava.jvm.version>1.8</scijava.jvm.version>
 		<scijava.release.version>8</scijava.release.version>
+		<scijava.jvm.version>1.${scijava.release.version}</scijava.jvm.version>
 		<scijava.jvm.test.version>${scijava.jvm.version}</scijava.jvm.test.version>
 		<!-- NB: 1.8.0_101 is needed for SciJava Maven repository HTTPS support. -->
 		<scijava.jvm.build.version>[1.8.0-101,)</scijava.jvm.build.version>
 		<maven.compiler.source>${scijava.jvm.version}</maven.compiler.source>
 		<maven.compiler.target>${scijava.jvm.version}</maven.compiler.target>
-		<maven.compiler.release>${scijava.release.version}</maven.compiler.release>
 		<maven.compiler.testSource>${scijava.jvm.test.version}</maven.compiler.testSource>
 		<maven.compiler.testTarget>${scijava.jvm.test.version}</maven.compiler.testTarget>
 		<!--
@@ -2018,12 +2017,12 @@
 			</properties>
 		</profile>
 		<profile>
-			<id>java-8</id>
+			<id>java-9</id>
 			<activation>
-				<jdk>1.8</jdk>
+				<jdk>[9,)</jdk>
 			</activation>
 			<properties>
-				<maven.compiler.release />
+				<maven.compiler.release>${scijava.release.version}</maven.compiler.release>
 			</properties>
 		</profile>
 	</profiles>