LU-11304 misc: update all url links to whamcloud

LU-11304 misc: update all url links to whamcloud

Even old links could redirect to whamcloud automatically,
We'd better update to use new whamcloud links to
avoid any further confusions.

Test-parameters: trivial
Change-Id: Ida7161a062d822141bf0c1fdf20b2098a21ea9e7
Signed-off-by: Wang Shilong <wshilong@ddn.com>
Reviewed-on: https://review.whamcloud.com/33094
Reviewed-by: Peter Jones <pjones@whamcloud.com>
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <hpdd-maloo@intel.com>