- root_get and conf_get renamed to get_root and get_conf to be coherent with other...

- root_get and conf_get renamed to get_root and get_conf to be coherent with other "getters";
- fixes in headers of fld and seq-mgr;
- fixed getattr_by_fid (Vitaly's original patch);

- save connect data from server to tgts data array in LMV, set LMV exp->exp_connect_flags in
lmv_notify (needed for fixing getattr_by_fid issue found by Vitaly). Fixes in lmv_notify about
setting targets active/inactive;

- some cleanups in fid/*.[ch];
- ->ls_client_exp renamed to ls_control_exp to show that it is export to MDT0 in cluster;
- in mdc call observer notify for OCD data event;
- fixes in lmv/*.[ch] about using lustre_idl.h;
- committed some parts of rename locking in mdt, using ls_control_exp to requst BFL from MDT0.