Client initial commit
Client reformat code and moved to java 1.8
Kinda multithreaded client

TODO: reading + protobuf
fix message length
CLIENT initial protobuf support
CLIENT improvements

multithreaded
matrix generator
matrix checker (JAMA)
CLIENT fix thread sout
CLIENT fixed bug in read from server
CLIENT соединения уставливаются чОтко
CLIENT refactoring
CLIENT восстановление соединения при фейлах
CLIENT non blocking select
Client fixes
CLIENT matrix int to double
CLIENT wrong parsing fix
CLIENT refactoring
Extracted blocking client
Nonblocking and blocking clients
MPS calculation improved
CLIENT nonblocking connection fix