* Added IEEE80211_ACTION_CAT_MESH in ieee80211.h as specified amendment spec;

* Added IEEE80211_ACTION_CAT_MESH in ieee80211.h as specified amendment spec;
* Moved old categories as specified by D4.0 to be action fields of MESH category
  as specified in amendment spec;
* Modified functions to use MESH category and its action fields:
  + ieee80211_send_action_register
  + ieee80211_send_action
  + ieee80211_recv_action_register
  +ieee80211_recv_action;
* Modified ieee80211_hwmp_init and hwmp_send_action so they uses correct
  action fields as specified in amendment spec;
* Modified ieee80211_parse_action so that it verifies MESH frames.
* Change Mesh Link Metric to use one information element as amendment spec.
  Draft 4.0 defined two different information elements for request and response.

Submitted by:	monthadar@gmail.com