Fix misspelling in README.md
Merge remote-tracking branch 'upstream/master'
Implementation of the Lab01 TDD Tree
Update Lab 01 TDD according to comments from Kirill
Update build.gradle with new paths
Update tests according to comments from Kirill
Merge pull request #35 from kapralos/lab01-tdd-tree

[KK] Evgeniy Kapralov - Lab 1 TDD Tree