Using exportedVars key names in casAttributes

We need tu use the key name of exportedVars in casAttributes to make
attr availlable

creolefuncs/lemonldap.py

@@ -32,6 +32,7 @@ def getSSOFilters():
     """
     import glob
     from ConfigParser import ConfigParser
+
     try:
        filters = { 'uid': "uid", "mail": "mail" }
        filterDirectory = "/usr/share/sso/app_filters/"
@@ -49,14 +50,18 @@ def getSSOFilters():
            for key in toClean:
                if key in filters.keys():
                    del(filters[key])
-       res = ""
+       res = {}
        index=0
        size=len(filters)
+       return(filters.items())
+       """
        for k,v in filters.items():
-           res += "        \"{0}\": \"{1}\"".format(k,v)
+           res[k] "        \"{0}\": \"{1}\"".format(k,v)
            index += 1
            if index != size:
                res += ",\n"
        return(res)
+       """
     except:
         return "Error Generating Filters"
+