move signs to vundle.vim and use 3 states

- ! is error
- . is up-to-date
- * is updated

autoload/vundle.vim

@@ -27,6 +27,10 @@ com! -nargs=? -bang   BundleSearch
 au Filetype  vundle    call vundle#scripts#setup_view()
 au Syntax    vim       syn keyword vimCommand Bundle
 
+sign define VuEr text=!  texthl=Error
+sign define VuCu text=.  texthl=Comment
+sign define VuUp text=*  texthl=Comment
+
 
 func! vundle#rc(...) abort
   let g:bundle_dir = len(a:000) > 0 ? expand(a:1) : expand('$HOME/.vim/bundle')

autoload/vundle/installer.vim

@@ -53,10 +53,10 @@ func! vundle#installer#install(bang, name) abort
 
   if 'updated' == status 
     echo b.name.' installed'
-    exe ":sign place ".line('.')." line=".line('.')." name=VuOk buffer=" . bufnr("$")
+    exe ":sign place ".line('.')." line=".line('.')." name=VuUp buffer=" . bufnr("$")
   elseif 'uptodate' == status
     echo b.name.' already installed'
-    exe ":sign place ".line('.')." line=".line('.')." name=VuOk buffer=" . bufnr("$")
+    exe ":sign place ".line('.')." line=".line('.')." name=VuCu buffer=" . bufnr("$")
   elseif 'error' == status
     echohl Error
     echo 'Error installing "'.b.name

autoload/vundle/scripts.vim

@@ -32,9 +32,6 @@ func! vundle#scripts#setup_view() abort
 
   syn keyword vimCommand Bundle
 
-  sign define VuEr text=!  texthl=Error
-  sign define VuOk text=*  texthl=String
-
   com! -buffer -bang -nargs=? InstallBundle call vundle#installer#install('!' == '<bang>', <q-args>)
   com! -buffer -nargs=0 VundleLog call s:view_log()