Standardize folder structure of c, c++, ROS and Arduino - c ver in progress

c/example/protocol2.0/ping/linux32/Makefile

c/example/protocol2.0/ping/linux64/Makefile

c/example/protocol2.0/ping/linux_sbc/Makefile

c/example/protocol2.0/read_write/linux32/Makefile

c/example/protocol2.0/read_write/linux64/Makefile

c/example/protocol2.0/read_write/linux_sbc/Makefile

c/example/protocol2.0/reboot/linux32/Makefile

c/example/protocol2.0/reboot/linux64/Makefile

c/example/protocol2.0/reboot/linux_sbc/Makefile

c/example/protocol2.0/sync_read_write/linux32/Makefile

c/example/protocol2.0/sync_read_write/linux64/Makefile

c/example/protocol2.0/sync_read_write/linux_sbc/Makefile

c/example/protocol_combined/linux32/Makefile

c/example/protocol_combined/linux64/Makefile

c/example/protocol_combined/linux_sbc/Makefile

c/include/dynamixel_sdk/dynamixel_sdk.h

c/include/dynamixel_sdk/port_handler_linux.h

c/include/dynamixel_sdk/port_handler_windows.h

c/src/dynamixel_sdk/group_bulk_read.c

c/src/dynamixel_sdk/group_bulk_write.c