Merge pull request #1 from labdsf/master

тестовый pull request с мелкими изменениями
	modified:   Makefile
	modified:   main.cpp
	new file:   servermanager.cpp
	new file:   servermanager.h
	modified:   spider.cpp
	modified:   spider.h
	modified:   spider.pro
	modified:   servermanager.cpp
	modified:   servermanager.h
	modified:   main.cpp
	modified:   spider.cpp
Replaced server list with scheduler server hostname/port.
Breaks spider test.
s/gcc-4.7/gcc/
Merge https://github.com/labdsf/u-search