update version to 3.4
update version to 3.4

The networking merges for 3.4 are done and
there are no outstanding API changes, so
release iw version 3.4.

bw-oss/iw,cozybit/iw,cozybit/iw,bw-oss/iw,Distrotech/iw,chunyeow/iw,greearb/iw-ct,CTU-IIG/802.11p-iw,chunyeow/iw,Distrotech/iw,CTU-IIG/802.11p-iw,greearb/iw-ct