Rebuild config files
Re-build nsm5 config file, references #161.
Special option ath9k for nsm5
Fixed kernel config files
Use branches from OpenWRT.[ svn://svn.openwrt.org/openwrt/branches/backfire ].
Updated new targets: nsm5 and fonera. Some improvements in post_build operation
New config file for nanostation with netperf enabled
Configs for version 27617
Added support for nsm5