Use new StreamWriterBuilder/CharReaderBuilder

[cdunn2001]

I see these changes in the conformance profile:

@@ -2,21 +2,6 @@

 ## 1. Parse Validation

-* `../data/jsonchecker/fail07.json` is invalid but was mistakenly deemed valid.
-~~~js
-["Comma after the close"],
-~~~
-
-* `../data/jsonchecker/fail08.json` is invalid but was mistakenly deemed valid.
-~~~js
-["Extra close"]]
-~~~
-
-* `../data/jsonchecker/fail10.json` is invalid but was mistakenly deemed valid.
-~~~js
-{"Extra value after close": true} "misplaced quoted value"
-~~~
-

@@ -33,8 +18,18 @@
 break"]
+* `../data/jsonchecker/fail29.json` is invalid but was mistakenly deemed valid.
+~~~js
+[0e]
+~~~
+
+* `../data/jsonchecker/fail30.json` is invalid but was mistakenly deemed valid.
+~~~js
+[0e+]
+~~~
+

-Summary: 28 of 34 are correct.
+Summary: 29 of 34 are correct.

[miloyip]

Thanks