Remove trailing space characters (#1256)

Also add two newlines

(rebased from `aaronfranke/formatting`)

resolves #1220

Co-authored-by: Aaron Franke <arnfranke@yahoo.com>

test/data/legacy_test_array_06.json

@@ -1,4 +1,4 @@
-[ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 
+[ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
   "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
   "ccccccccccccccccccccccc",
   "dddddddddddddddddddddddddddddddddddddddddddddddddddd" ]

test/data/legacy_test_complex_01.json

@@ -1,17 +1,17 @@
-{ 
+{
 	"count" : 1234,
 	"name" : { "aka" : "T.E.S.T.", "id" : 123987 },
-	"attribute" : [ 
-		"random", 
-		"short", 
-		"bold", 
-		12, 
-		{ "height" : 7, "width" : 64 } 
+	"attribute" : [
+		"random",
+		"short",
+		"bold",
+		12,
+		{ "height" : 7, "width" : 64 }
 		],
-	"test": { "1" : 
-		{ "2" : 
-			{ "3" :  { "coord" : [ 1,2] } 
-			} 
+	"test": { "1" :
+		{ "2" :
+			{ "3" :  { "coord" : [ 1,2] }
+			}
 		}
 	}
 }

test/data/legacy_test_object_03.json

@@ -1,4 +1,4 @@
-{ 
+{
 	"count" : 1234,
 	"name" : "test",
 	"attribute" : "random"

test/data/legacy_test_object_04.json

@@ -1,3 +1,3 @@
-{ 
+{
 	"" : 1234
 }

test/data/legacy_test_preserve_comment_01.expected

@@ -6,6 +6,6 @@
 /* Comment before 'second'
  */
 .second=2
-/* A comment at 
+/* A comment at
    the end of the file.
  */

test/data/legacy_test_preserve_comment_01.json

@@ -9,6 +9,6 @@
    "second" : 2
 }
 
-/* A comment at 
+/* A comment at
    the end of the file.
  */