Bump versions (#143)

- plugin version -> 1.1.1 (non-beta)
- supported EC version -> 0.13.0

autoload/editorconfig_core.vim

@@ -1,7 +1,7 @@
 " autoload/editorconfig_core.vim: top-level functions for
 " editorconfig-core-vimscript and editorconfig-vim.
 
-" Copyright (c) 2018-2019 EditorConfig Team, including Chris White {{{1
+" Copyright (c) 2018-2020 EditorConfig Team, including Chris White {{{1
 " All rights reserved.
 "
 " Redistribution and use in source and binary forms, with or without
@@ -44,7 +44,7 @@ endif
 " The latest version of the specification that we support.
 " See discussion at https://github.com/editorconfig/editorconfig/issues/395
 function! editorconfig_core#version()
-    return [0,12,2]
+    return [0,13,0]
 endfunction
 
 " === CLI =============================================================== {{{1

doc/editorconfig.txt

@@ -1,7 +1,7 @@
 *editorconfig.txt*
 
 File: editorconfig.txt
-Version: 1.1.0-beta
+Version: 1.1.1
 Maintainer: EditorConfig Team <http://editorconfig.org>
 Description: EditorConfig vim plugin