Add Ukrainian translations

Contributors.txt

@@ -29,6 +29,7 @@ Testing:
 
 Translators:
 	Héctor Daniel Cabrera
+	Yuri Chornoivan
 	Teguh DC
 	Piotr Drąg
 	Gundachandru

install/po/LINGUAS

@@ -4,4 +4,5 @@ id
 kn
 pl
 ru
+uk
 zh_CN

install/po/contributing_translators.txt

@@ -1,14 +1,16 @@
-pl: Polish
-    Piotr Drąg <piotrdrag@gmail.com>
+bn_IN: Bengali India
+    sankarshan mukhopadhyay <sankarshan@fedoraproject.org>
+es: Spanish
+    Héctor Daniel Cabrera <logan@fedoraproject.org>
 id: Indonesian
     Teguh DC <dheche@songolimo.net>
 kn: Kannada
     gundachandru <gundachandru@gmail.com>
-bn_IN: Bengali India
-    sankarshan mukhopadhyay <sankarshan@fedoraproject.org>
+pl: Polish
+    Piotr Drąg <piotrdrag@gmail.com>
 ru: Russian
     Andrew Martynov <andrewm@inventa.ru>
-es: Spanish
-    Héctor Daniel Cabrera <logan@fedoraproject.org>
+uk: Ukrainian
+    Yuri Chornoivan <yurchor@ukr.net>
 zh_CN: Chinese Simplified
     Jake Li <gnozil@gmail.com>