get vdebug working for alcatraz

We should think about this one a bit more - the Vdebug `path_maps` is highly
specific to one environment. Where else will we use a debugger?

vim/bundle/vdebug

@@ -1 +1 @@
-Subproject commit 84fae348390117c29304334f120ec7d61cd5ed33
+Subproject commit bd6dd272dcef1e5c4206f4a386cf1ec4854385ff

vim/vimrc

@@ -27,7 +27,7 @@ set splitright    " New splits appear right of current window
 set ttyfast       " Smooth movement
 set ttymouse=xterm2
 set mouse=a
-set scrolloff=7  " keep distance from top and bottom for current line
+set scrolloff=4  " keep distance from top and bottom for current line
 set cursorline    " ensure that there is a cursor line
 
 " Persistent undo
@@ -331,6 +331,13 @@ let g:ctrlp_user_command = {
 \ }
 
 
+""""""""" Vdebug
+let g:vdebug_options = {
+  \ 'break_on_open' : 0,
+  \ 'path_maps' : {"/usr": "/jails/alcatraz/usr"}
+\ }
+
+
 """"""""" Vim Markdown
 let g:vim_markdown_folding_disabled=1