Add the IJ2 repositories, required to find pom-scijava

While at it, increase the pom-scijava version to the current one.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

pom.xml

@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>1.19</version>
+		<version>1.24</version>
 	</parent>
 
 	<groupId>sc.fiji</groupId>
@@ -26,4 +26,16 @@
 		</dependency>
 	</dependencies>
 
+	<!-- NB: for project parent -->
+	<repositories>
+		<repository>
+			<id>imagej.releases</id>
+			<url>http://maven.imagej.net/content/repositories/releases</url>
+		</repository>
+		<repository>
+			<id>imagej.snapshots</id>
+			<url>http://maven.imagej.net/content/repositories/snapshots</url>
+		</repository>
+	</repositories>
+
 </project>