"Old files from multifilehashmap for junit"
packages fixed
Added task 4
JUnit task with tests only for interfaces.
checkstyle
tabs
more checkstyle
All fixed
checkstyle
Some fixes
All fixed
Fixed deleting empty files
added more tests
checkstyle
Fixes...
All fixed.
Merge pull request #309 from penguin138/new_branch

Nastya Torunova, 396, JUnit