Now user can define TARGET inside targets.mk. It is useful for RS for instance, where source is the same. So added support for RS too
Adapted to last openwrt trunk
New config file for nanostation with netperf enabled
Added support for nsm5
Removed space from targets.mk in alix name. Added new function update_all
Added targets.mk file to define targets (rspro, alix, etc...) and solved some issues with kerne_config feature