checkstyle
CheckStyle fixed
Popov Sergey, 395, Shell
Popov Sergey, 395, Shell
Popov Sergey, 395, Shell
Update

Check style.
Create Shell
Delete Shell
Create Shell.java
Rename src/ru/fizteh/fivt/students/Alina_Chupakhina/Shell.java to src/ru/fizteh/fivt/students/alina_chupakhina/shell/shell.java
Update Shell.java
Update

Check style.
Enhanced interactive mode:

 - added prompt
 - fixed continuing of line with 'exit'
Enhanced command execution exception messages
Fixed whitespace handling
Create Shell
Create ShellMajor
Create Commands
Добавил альтернативный вариант второго задания для 394.
Update 02-ExternalListRank.md