Update our code to new type parameter kind syntax

Closes #1067

src/comp/metadata/encoder.rs

@@ -391,7 +391,7 @@ fn encode_info_for_items(ecx: @encode_ctxt, ebml_w: ebml::writer) ->
 
 // Path and definition ID indexing
 
-fn create_index<@T>(index: [entry<T>], hash_fn: fn(T) -> uint) ->
+fn create_index<T>(index: [entry<T>], hash_fn: fn(T) -> uint) ->
    [@[entry<T>]] {
     let buckets: [@mutable [entry<T>]] = [];
     uint::range(0u, 256u) {|_i| buckets += [@mutable []]; };

src/comp/metadata/tydecode.rs

@@ -150,7 +150,7 @@ fn parse_ty_constr_arg(st: @pstate, sd: str_def) ->
     }
 }
 
-fn parse_constr<@T>(st: @pstate, sd: str_def, pser: arg_parser<T>) ->
+fn parse_constr<T>(st: @pstate, sd: str_def, pser: arg_parser<T>) ->
    @ty::constr_general<T> {
     let sp = ast_util::dummy_sp(); // FIXME: use a real span
     let args: [@sp_constr_arg<T>] = [];