Added README.md file
Added README.md file
Update README.md
Merge pull request #51 from EgorSharov/Sharov-Egor-lab1

Шаров - Лабораторная работа #0
Rename core to model
Add gradle stuff to gitignore
Add placeholder for students' projects
Add cpd.xml to ignore
Trying to print dots instead of full report
Merge pull request #52 from kirill-kornyakov/update-before-lab1

Update before lab1
Fix link
Added lab1 files
Added project into settings.gradle
Fixed some style issues
Removed unused imports from tests
Useless parentheses removed, sorting class refactored
deque: initial commit for lab1
deque: add addFirst() method
deque: add addLast() method

To verify that deque is not empty after addFirst or addLast execution,
unit tests are implemented.
deque: add getFirst() and getLast()