Refactor of ServerMigrator, few updates in SecurityMigrator
and new attribute in AS7Config
Added simple keystore copying and few TODO for possible upgrade in the future.
Refactor of resource-adapters beans and migrator
Small update for better code
Refactor of LoggingMigration
Update LoggingMigrator
Refactor of SecurityMigrator, added new helping class
Added JavaDoc for new methods.