Skeleton status files are installed read-only.  When copying to the config dir
upon initialization, make sure they end up writable.

--- byobu-5.127/usr/bin/byobu-janitor.in
+++ byobu-5.127/usr/bin/byobu-janitor.in
@@ -82,6 +82,7 @@
 	if [ ! -r "$BYOBU_CONFIG_DIR/$f" ]; then
 		# Copy from skeleton, if possible
 		cp -f "$BYOBU_PREFIX/share/$PKG/status/$f" "$BYOBU_CONFIG_DIR/$f"
+		chmod +w "$BYOBU_CONFIG_DIR/$f"
 	fi
 done