EF Transaction TimeOut

http://stackoverflow.com/questions/19393089/how-do-you-configure-the-transaction-time-out-in-entity-framework-6-dbcontext-da

http://stackoverflow.com/questions/12055511/transaction-scope-timeout-on-10-minutes

http://social.msdn.microsoft.com/Forums/en-US/552f5eea-b650-4a7e-974f-d6b098b2a632/got-trouble-with-calling-savechanges-from-inside-transactionscope?forum=adonetefx