inital checkin using existing vim and preparing for use of bash_magic

vim/bundle/syntastic/syntax_checkers/javascript.vim

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+"============================================================================
+"File:        javascript.vim
+"Description: Figures out which javascript syntax checker (if any) to load
+"             from the javascript directory.
+"Maintainer:  Martin Grenfell <martin.grenfell at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+" Use g:syntastic_javascript_checker option to specify which jslint executable
+" should be used (see below for a list of supported checkers).
+" If g:syntastic_javascript_checker is not set, just use the first syntax
+" checker that we find installed.
+"============================================================================
+if exists("loaded_javascript_syntax_checker")
+    finish
+endif
+let loaded_javascript_syntax_checker = 1
+
+let s:supported_checkers = ["gjslint", "jslint", "jsl", "jshint"]
+
+function! s:load_checker(checker)
+    exec "runtime syntax_checkers/javascript/" . a:checker . ".vim"
+endfunction
+
+if exists("g:syntastic_javascript_checker")
+    if index(s:supported_checkers, g:syntastic_javascript_checker) != -1 && executable(g:syntastic_javascript_checker)
+        call s:load_checker(g:syntastic_javascript_checker)
+    else
+        echoerr "Javascript syntax not supported or not installed."
+    endif
+else
+    for checker in s:supported_checkers
+        if executable(checker)
+            call s:load_checker(checker)
+            break
+        endif
+    endfor
+endif