libcgroup: create function for cgroup_new_cgroup

libcgroup: create function for cgroup_new_cgroup

From: Sudhir Kumar <skumar@linux.vnet.ibm.com>

This patch creates the function create_new_cgroup_ds(), to create a well
populated cgroup structure, and this way eliminates lot of redundant
code. This function internaly call other functions to provide a complete
cgroup structure. This patch breaks one of the testcases because of
the global data being used. I have fixed that in the dame patch to
maintain uniformity as this is a single line fix only and is well
commented in the code.

Signed-off-by: Sudhir Kumar <skumar@linux.vnet.ibm.com>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
git-svn-id: https://libcg.svn.sourceforge.net/svnroot/libcg/trunk@283 4f4bb910-9a46-0410-90c8-c897d4f1cd53