Rename kwin to twin (part 1 of 2)

systemsettings/menu/system-settings.menu

@@ -143,7 +143,7 @@ https://wiki.kubuntu.org/KubuntuSystemSettingsUsability
 					<Filename>kde-kcmfontinst.desktop</Filename>
 					<Filename>kde-icons.desktop</Filename>
 					<Filename>kde-style.desktop</Filename>
-					<Filename>kde-kwindecoration.desktop</Filename>
+					<Filename>kde-twindecoration.desktop</Filename>
                                         <Merge type="files" />
 				</Layout>
 				<Include>
@@ -153,7 +153,7 @@ https://wiki.kubuntu.org/KubuntuSystemSettingsUsability
 					<Filename>kde-kcmfontinst.desktop</Filename>
 					<Filename>kde-icons.desktop</Filename>
 					<Filename>kde-style.desktop</Filename>
-					<Filename>kde-kwindecoration.desktop</Filename>
+					<Filename>kde-twindecoration.desktop</Filename>
 					<Category>X-KDE-systemsettings-lookandfeel-appearance</Category>
 				</Include>
 			</Menu>
@@ -186,13 +186,13 @@ https://wiki.kubuntu.org/KubuntuSystemSettingsUsability
 				<Directory>kde-settings-windowbehavior.directory</Directory>
 	
 				<Layout>
-					<Filename>kde-kwinoptions.desktop</Filename>
-					<Filename>kde-kwinrules.desktop</Filename>
+					<Filename>kde-twinoptions.desktop</Filename>
+					<Filename>kde-twinrules.desktop</Filename>
                                         <Merge type="files" />
 				</Layout>
 				<Include>
-					<Filename>kde-kwinoptions.desktop</Filename>
-					<Filename>kde-kwinrules.desktop</Filename>
+					<Filename>kde-twinoptions.desktop</Filename>
+					<Filename>kde-twinrules.desktop</Filename>
 					<Category>X-KDE-systemsettings-lookandfeel-windowbehavior</Category>
 				</Include>
 			</Menu>