Add two syntax groups for the Go syntax

Those syntax groups deals with the highligths of function declarations
and function calls.

after/syntax/go.vim

@@ -0,0 +1,24 @@
+"                                         ____
+"                        ____ _ ____     / __/____   _____
+"                       / __ `// __ \   / /_ / __ \ / ___/
+"                      / /_/ // /_/ /  / __// /_/ // /
+"                      \__, / \____/  /_/   \____//_/
+"                     /____/  __
+"                 ____   ____/ /__  __ _____ _____ ___   __  __
+"                / __ \ / __  // / / // ___// ___// _ \ / / / /
+"               / /_/ // /_/ // /_/ /(__  )(__  )/  __// /_/ /
+"               \____/ \__,_/ \__, //____//____/ \___/ \__, /
+"                            /____/                   /____/
+"
+" Maintainer: Ludovic Koenig <ludovic.koenig@gmail.com>
+" Version: 0.6.0
+" Since: 0.6.0
+" License: MIT
+"
+" Go Syntax {{{
+
+syntax match goOdysseyFunction    "\<\w*\>("me=e-1
+syntax match goOdysseyFuncKeyword "\<func\>("me=e-1
+
+" }}}
+" vim: foldmethod=marker textwidth=79 colorcolumn=+1

colors/odyssey.vim

@@ -256,6 +256,12 @@ call s:h(      'Ignore', 'background', 'background',      'none')
 call s:h(       'Error', 'background',      'error',      'bold')
 call s:h(        'Todo', 'background',    'warning',      'bold')
 
+" }}}
+" Go Highlights {{{
+
+call s:l(   'goOdysseyFunction',  'Function')
+call s:l('goOdysseyFuncKeyword', 'Statement')
+
 " }}}
 " Java Highlights {{{