alter createview and grant Privileges
alter create view delete datasename
Merge remote-tracking branch 'origin/v0.2' into zhuqihan
Add file set_repnr; add client set_timeout; collect file length and record nr for statfs; fix bug in FILE_USER_SET_REP_CHANGE.
Merge branch 'macan' into v0.2, OK
alter shownodegroups about ,
Merge remote-tracking branch 'origin/zhuqihan' into v0.2, OK