fix cc links
Merge pull request #2 from v1ctor/master

fix cc links
Добавил альтернативный вариант первого задания
Added links to 1st and 2nd lectures
Merge pull request #15 from GreenRiverRUS/master

Мазаев Вадим, 397, Shell
Update .gitignore
add next task
Merge pull request #20 from v1ctor/master

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Merge pull request #1 from dkomanov/master

Merge new task