BUG#13108


mysql-test/r/federated.result:
  added test results for federated alter table
mysql-test/t/federated.test:
  added test for federated alter table
sql/examples/ha_example.cc:
  supports table re-creation
sql/examples/ha_tina.cc:
  supports table re-creation
sql/ha_blackhole.cc:
  supports table re-creation
sql/ha_federated.cc:
  added flag for not supporting alter
sql/ha_heap.cc:
  supports table recreation
sql/ha_myisam.cc:
  supports table recreation
sql/ha_myisammrg.cc:
  supports table re-creation
sql/handler.cc:
  implemented flag check function
sql/handler.h:
  added additional handlerton flags
  created a function to test flags
  replace ha_supports_generate macro with call to flag check
sql/sql_delete.cc:
  replaced ha_supports_generate with handlerton flag check
sql/sql_table.cc:
  added check for handlerton check for alter support