Add plantuml syntax, closes #116

ftplugin/plantuml.vim

@@ -0,0 +1,22 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'plantuml') == -1
+  
+" Vim plugin file
+" Language:     PlantUML
+" Maintainer:   Aaron C. Meadows < language name at shadowguarddev dot com>
+" Last Change:  19-Jun-2012
+" Version:      0.1
+
+if exists("g:loaded_plantuml_plugin")
+    finish
+endif
+let g:loaded_plantuml_plugin = 1
+
+if !exists("g:plantuml_executable_script")
+	let g:plantuml_executable_script="plantuml"
+endif
+
+autocmd Filetype plantuml let &l:makeprg=g:plantuml_executable_script . " " .  fnameescape(expand("%"))
+
+setlocal comments=s1:/',mb:',ex:'/,:' commentstring=/'%s'/ formatoptions-=t formatoptions+=croql
+
+endif