Fix eclipse .settings generation

Fix issues where gradle would not regenerate .settings files due to
the task being considered UP-TO-DATE.

gradle/ide.gradle

@@ -51,6 +51,7 @@ task eclipseSettings(type: Copy) {
 		"src/eclipse/org.eclipse.jdt.ui.prefs",
 		"src/eclipse/org.eclipse.wst.common.project.facet.core.xml")
 	into project.file('.settings/')
+	outputs.upToDateWhen { false }
 }
 
 task eclipseWstComponent(type: Copy) {
@@ -58,17 +59,20 @@ task eclipseWstComponent(type: Copy) {
 		"src/eclipse/org.eclipse.wst.common.component")
 	into project.file('.settings/')
 	expand(deployname: project.name)
+	outputs.upToDateWhen { false }
 }
 
 task eclipseJdtPrepare(type: Copy) {
 	from rootProject.file("src/eclipse/org.eclipse.jdt.core.prefs")
 	into project.file(".settings/")
+	outputs.upToDateWhen { false }
 }
 
 task cleanEclipseJdtUi(type: Delete) {
-	delete project.file(".settings/org.eclipse.jdt.ui.prefs");
-	delete project.file(".settings/org.eclipse.wst.common.component");
-	delete project.file(".settings/org.eclipse.wst.common.project.facet.core.xml");
+	delete project.file(".settings/org.eclipse.jdt.ui.prefs")
+	delete project.file("org.eclipse.jdt.core.prefs")
+	delete project.file(".settings/org.eclipse.wst.common.component")
+	delete project.file(".settings/org.eclipse.wst.common.project.facet.core.xml")
 }
 
 tasks["eclipseJdt"].dependsOn(eclipseJdtPrepare)