Fixed mysql problems.
Fixed tests.
More includes moved from .h to .cpp, unnecessary includes deleted
	modified:   common.h
	modified:   config.mk
	modified:   cppsockets/abstractsocket.cpp
	new file:   cppsockets/cppsockets.h
	modified:   cppsockets/datasocket.cpp
	modified:   cppsockets/socketaddress.cpp
	modified:   cppsockets/tcplistener.cpp
	modified:   cppsockets/tcpsocket.cpp
	modified:   cppsockets/udpsocket.cpp
	modified:   data-storage/entities.cpp
	modified:   preview-maker/server/broadcastlistener.cpp
	modified:   preview-maker/server/broadcastlistener.h
	modified:   preview-maker/server/data_structure.h
	modified:   preview-maker/server/main.cpp
	modified:   preview-maker/server/task-listener.cpp
	modified:   preview-maker/server/task-listener.h
	modified:   preview-maker/server/threadobject.cpp
	modified:   preview-maker/server/threadobject.h
	modified:   spider/main.cpp
	modified:   spider/spider.cpp
	modified:   tests/cppsockets-test/cppsocketstest.cpp
	modified:   tests/cppsockets-test/cppsocketstest.h
	modified:   tests/cppsockets-test/main.cpp
	modified:   tests/datastorage-test/datastoragetest.cpp
	modified:   tests/datastorage-test/datastoragetest.h
	modified:   tests/full-test/fulltest.cpp
	modified:   tests/spider-test/main.cpp
	modified:   tests/spider-test/spidertest.cpp