Home version
Updated according to 21-thread new requirements.
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/com/polarnick/javahomework/task7/Main.java
	src/com/polarnick/javahomework/task7/producer/Producer.java
	src/com/polarnick/javahomework/task7/publisher/Publisher.java
	src/com/polarnick/javahomework/task7/tasks/TaskWithArgument.java
	src/com/polarnick/javahomework/task7/worker/Worker.java