First FileMap commit

Can't wait to fix all checkstyle errors
Wrong files were added with correct ones
Checkstyle
Tiny one
And even smaller one
Fixes

Коммит не той версии это эпично.
Checkstyle

Вообще стоит отметить что он и создавал файл при отсутствии и корректно
работал с пустым файлом, но писал "предупреждение" в поток ошибок, да.
Mini
multifilehashmap added
multifilehashmap updated
added static modifier to magic numbers
Corrected "got interrupted" and "null command" behavior
Fixed everything and went to sleep.
Changed incorrect characters bug
Changed. Don't want to change anything else.
Some fixes
removed code from the next task
Shut down if got error in batch mode
removed bug with null  database
junit