Add @egasato as Catalan translator

SamyPesse · SamyPesse · commit f2b585e446ae · 2016-01-13T16:25:28.000+01:00
diff --git a/AUTHORS.md b/AUTHORS.md
@@ -63,3 +63,5 @@ Translators
     - Jacob Burenstam (@buren)
 - Turkish
     - Turan Konan (@turankonan)
+- Catalan
+    - Esaú García Sánchez-Torija (@egasato)
