New task: Proxy. Some general interfaces
AutoCloseable interfaces implemented
some new tests
Merge branch 'parallel' into proxy
Added toString methods and tests
some logging interfaces
Добавил org.json
some json serialization
cyclic checks added
Tests for proxy factory added
Checkstyle fixed
Added array argument test
Merge branch 'parallel' into proxy
Merge branch 'parallel' into proxy
Fixed problem with serialization
Fixed errors
Fixed travis errors
Merge branch 'parallel' into proxy

Conflicts:
	src/ru/fizteh/fivt/students/AlexeyZhuravlev/parallel/ParallelTableProvider.java
Merge branch 'parallel' into proxy

Conflicts:
	src/ru/fizteh/fivt/students/AlexeyZhuravlev/parallel/ParallelTableProvider.java
Merge pull request #443 from AlexeyZhuravlev/proxy

Журавлев Алексей, 394, Proxy