Change precedence of quiet and JSON output to favour JSON (#570)

* Changes precedence of quiet and JSON output to favour JSON

* Adds JSON output precedence change to CHANGELOG; TomNomNom to CONTRIBUTORS

---------

Co-authored-by: Joona Hoikkala <joohoi@users.noreply.github.com>

CHANGELOG.md

@@ -7,7 +7,8 @@
     - Multiline output prints out alphabetically sorted by keyword
     - Default configuration directories now follow `XDG_CONFIG_HOME` variable (less spam in your home directory)
     - Fixed issue with autocalibration of line & words filter
-    - Fixed issue with `-json` when used in conjunction with silent mode
+    - Made JSON (`-json`) output format take precedence over quiet output mode, to allow JSON output without the banner etc
+
 
 - v1.5.0
   - New

CONTRIBUTORS.md

@@ -30,6 +30,7 @@
 * [justinsteven](https://github.com/justinsteven)
 * [jvesiluoma](https://github.com/jvesiluoma)
 * [Kiblyn11](https://github.com/Kiblyn11)
+* [l4yton](https://github.com/l4yton)
 * [lc](https://github.com/lc)
 * [mprencipe](https://github.com/mprencipe)
 * [nnwakelam](https://twitter.com/nnwakelam)
@@ -42,5 +43,6 @@
 * [Shaked](https://github.com/Shaked)
 * [Skyehopper](https://github.com/Skyehopper)
 * [SolomonSklash](https://github.com/SolomonSklash)
-* [l4yton](https://github.com/l4yton)
-* [xfgusta](https://github.com/xfgusta)
+* [TomNomNom](https://github.com/tomnomnom)
+* [xfgusta](https://github.com/xfgusta)
+