add user signatures

app.lua

@@ -1,6 +1,8 @@
 local lapis = require("lapis")
 local app = lapis.Application()
 local constants = require("constants")
+local babycode = require("lib.babycode")
+local html_escape = require("lapis.html").escape
 
 local db = require("lapis.db")
 -- sqlite starts without foreign key enforcement
@@ -26,6 +28,10 @@ local function inject_methods(req)
   req.infobox_message = function (_, s)
     return util.infobox_message(s)
   end
+  
+  req.babycode_to_html = function (_, bb)
+    return babycode.to_html(bb, html_escape)
+  end
 
   util.pop_infobox(req)
 end