gfapi: fix mem-types initialisation

... and also fill the body of mem_acct_init().

Change-Id: I457d0629c20f999dd2f50e710c75b1c7575b6c19
BUG: 1021904
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/6134
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
geo-rep: Increasing the buffer_size for master-salve size comparision.

The buffer size is increased to 100MB, considering the space required by slave
filesystem bookkeeping.

Change-Id: Ib296f0e03b4d7a2de6d5ff0ae9ab09a5261e3e7c
BUG: 1020154
Signed-off-by: Ajeet Jha <ajha@redhat.com>
Reviewed-on: http://review.gluster.org/6102
Reviewed-by: Avra Sengupta <asengupt@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>