url_rewrite_extras and store_id_extras patch fixes

url_rewrite_extras and store_id_extras patch fixes

Fixes to patch "Add url_rewrite_extras and store_id_extras for redirector and store_id helpers",r13308:
  - Fix cf_gen.cc:gen_conf(..) function to not escape quotes before write to
    conf file
  - The Format::Format name is used to inform the user about parsing problems.
    Fix the names of related objects for the new redirecor_extras and
    store_id_extras directives.
  - cf.data.pre: The NAME tag take as argument only the name of directive. Fix
    the new redirecor_extras and store_id_extras related tags.