compile spatialindex with lower gcc version
add rtree module
delete start_node.cc file
move start torus functions here
move global variables(torus server info) to server.c
update interval functions. now support double type interval
update socket/*. fix invalid conversion from int to enum error
upate logs/log.h
move struct request here
update control_node/control.h
update control_node/control.h
update makefile