Allow for disabling individual languages, closes #66

syntax/swift.vim

@@ -1,3 +1,5 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'swift') == -1
+  
 " Language:    Swift<https://developer.apple.com/swift/>
 " Maintainer:  toyama satoshi <toyamarinyon@gmail.com>
 " URL:         http://github.com/toyamarinyon/vim-swift
@@ -62,3 +64,5 @@ highlight default link swiftTypeIdentifier Type
 if !exists('b:current_syntax')
   let b:current_syntax = 'swift'
 endif
+
+endif