ModuleIteration now returns correct iterations for a custom first iteration.

Previously, ModuleIteration always returned the custom first iteration on every call to getIteration(). We now only do so for the very first iteration.

src/main/java/org/springframework/data/release/model/Iteration.java

@@ -66,6 +66,10 @@ public class Iteration {
 		return next.equals(iteration);
 	}
 
+	public boolean isInitialIteration() {
+		return this.equals(M1);
+	}
+
 	public int getBugfixValue() {
 		return name.startsWith("SR") ? Integer.parseInt(name.substring(2)) : 0;
 	}

src/main/java/org/springframework/data/release/model/ModuleIteration.java

@@ -52,7 +52,8 @@ public class ModuleIteration implements IterationVersion {
 	 * @see org.springframework.data.release.model.IterationVersion#getIteration()
 	 */
 	public Iteration getIteration() {
-		return module.hasCustomFirstIteration() ? module.getCustomFirstIteration() : this.iteration;
+		return this.iteration.isInitialIteration() && this.module.hasCustomFirstIteration() ? module
+				.getCustomFirstIteration() : this.iteration;
 	}
 
 	public String getJiraVersionName() {