Redesigned API URL structure. Updated ts_api to implement this.

Implemented ts_api:list_timelines/2.
Adjusted ts_timeline:list/3 to be 0-indexed.
Changed ts_user password hash to use a random salt + SHA1
Added some skeleton testing code.

src/ts_json.erl

@@ -59,7 +59,6 @@ ejson_to_record(_Empty=#ts_user{}, EJSON) ->
             element(2, lists:keyfind(join_date, 1, Fields)))};
 
 ejson_to_record(_Empty=#ts_timeline{}, EJSON) ->
-    % The JSON records do not have username information
     {struct, Fields} = EJSON,
     Username = element(2, lists:keyfind(username, 1, Fields)),
     TimelineId = element(2, lists:keyfind(timeline_id, 1, Fields)),