Migrates the input file to the TDI 7.1 level. It assumes the input file
amc.properties file. The input file (and optional backup file) should
have been set in the parseGeneralOptions method which must be called
before calling this method.
Returns:
1 is returned if the file is successful. -1 is returned if any
error occurs while trying to migrate the file including if the
file cannot be backed up to the specified location or if the file
to migrate cannot be written to.