LU-3386 lproc: improve osc/mdc "imports" connect data

LU-3386 lproc: improve osc/mdc "imports" connect data

Improve /proc/fs/lustre/{osc,mdc}/*/import files to print
the struct obd_connect_data data fields as "connect_data:"
in addition to the "connect_flags:" field.
Lustre-commit: 62660c799be886e557ae0426126fc3e4b61927d4
Lustre-change: http://review.whamcloud.com/6588
Also, this patch includes the fix in
http://review.whamcloud.com/#/c/10344

Signed-off-by: Liu Ying <emoly.liu@intel.com>
Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: Iabf2231341f3d674960626fb7230e2ba5cf4f113
Reviewed-on: http://review.whamcloud.com/9264
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>