added functionalities to scheduler
Fixed errors.
for Bogdan
Merge branch 'master' of https://github.com/brinzi/iPosix_testRoom
ok
Conflicts:
	bsp14_d/iposix/src/kern/include/scheduler/.i_scheduler.h.swp
	bsp14_d/iposix/src/kern/include/scheduler/policies/.round_robin.hpp.swn
	bsp14_d/iposix/src/kern/include/scheduler/policies/round_robin.hpp
	bsp14_d/iposix/src/kern/scheduler/.i_scheduler.cpp.swo
	bsp14_d/iposix/src/kern/scheduler/.i_scheduler.cpp.swp
	bsp14_d/iposix/src/user/syscalls/.syscalls.cpp.swn