add shell project
test commit
test2
rename main class
add ShellParser
sunday final commit
Merge pull request #2 from v1ctor/master

fix cc links
Fix style bugs using checkstyle.
Добавил альтернативный вариант первого задания
Last commit before rewriting
Rewriting2
Reorganize project structure
Add "mv" command
Job done, then there will be only bug fixes
Fixed indents
Fix bug with recursive cp and mv
Fixed error mesges and some bugs
Fixed command mode
Added links to 1st and 2nd lectures
Fixed cp selfcopy and parsing whitespaces