Remove redundant call to update_name_changes it is being done in after_save
Also modify torque layers when table is being renamed
Merge branch 'master' of https://github.com/CartoDB/cartodb into CDB-3514
Merge branch 'master' of https://github.com/CartoDB/cartodb into CDB-3514
Merge pull request #600 from CartoDB/CDB-3514

Make torque layers updateable so they get table names changes