Merge branch 'pb/t4014-unslave'

A branch name used in a test has been clarified to match what is
going on.

* pb/t4014-unslave:
  t4014: do not use "slave branch" nomenclature

t/t4014-format-patch.sh

@@ -81,16 +81,16 @@ test_expect_success 'format-patch --ignore-if-in-upstream handles tags' '
 '
 
 test_expect_success "format-patch doesn't consider merge commits" '
-	git checkout -b slave master &&
+	git checkout -b feature master &&
 	echo "Another line" >>file &&
 	test_tick &&
-	git commit -am "Slave change #1" &&
+	git commit -am "Feature branch change #1" &&
 	echo "Yet another line" >>file &&
 	test_tick &&
-	git commit -am "Slave change #2" &&
+	git commit -am "Feature branch change #2" &&
 	git checkout -b merger master &&
 	test_tick &&
-	git merge --no-ff slave &&
+	git merge --no-ff feature &&
 	git format-patch -3 --stdout >patch &&
 	grep "^From " patch >from &&
 	test_line_count = 3 from