Implemented entry exclusions in UI.

* Resolved D0020: Add exclusion filter for entries.
* Refactored ``timeline`` fields of several objects in ``ts.js`` to be
  ``timelineModel`` to be explicit.
* Added support for exclusions in ``EntryListView.renderOne`` and
  ``EntryListView.render``.

src/ts_entry.erl

@@ -36,7 +36,7 @@ update(ER = #ts_entry{}, ExtData) when is_list(ExtData) ->
 write(ER = #ts_entry{}) -> mnesia:dirty_write(ER).
 
 write(ER = #ts_entry{}, ExtData) ->
-    {atomic, Result} = mnesia:transcation(fun() ->
+    {atomic, Result} = mnesia:transaction(fun() ->
         ok = mnesia:write(ER),
         ok = ts_common:do_set_ext_data(ER, ExtData)
     end),