BUG#12632010 : Add feature to allow conversion of storage engines on copy or import
This patch adds the ability to specify a different storage engine for all tables during a copy or import operation in mysqldbcopy and mysqldbimport using a new option named --new-storage-engine.
The patch also adds the ability to specify a default storage engine to use if the storage engine specified in the import or from the source during a copy is not available on the destination. This option is --default-storage-engine.