tasks 1-4
Merge branch 'master' of https://github.com/lozenko/java4sdl

Conflicts:
	J02-OOP/students/firefox/.idea/workspace.xml
Changed the home task #3
klysiuk homework ready
some minor changes
Loops homework pliusnina
Homework 1,2,3,4 by azhidko
added new task
Sudarkina's homework
J03-Loops: Added homework tasks
HW
Merge branch 'master' into evgenb