Fixed typos in change log and slightly re-ordered it

Author: Jacob Wenger

changelog.txt

@@ -1,3 +1,3 @@
-fixed - Rewrites, redirects, and headers now deployed properly if `"public"` key is absent from firebase.json but `--public` flag is provided.
-fixed - Malformed `firebase.json` now errors out instead of hanging.
 feature - Added `--interactive` flag to force interactive mode for faulty TTY detection.
+fixed - Rewrites, redirects, and headers now deploy properly if `"public"` key is absent from `firebase.json` but `--public` flag is provided.
+fixed - Malformed `firebase.json` now errors out instead of hanging.