PAM-IPMI module - stores special users password

Special group('ipmi') user's passwords are stored
by pam_ipmicheck and pam_ipmisave module.
pam_ipmicheck will check password restrictions
for the special group user and pam_ipmisave
will update the password in special password
file in encrypted form.
Note: These modules still needs pam_unix support
to store the hashed password and work along
with pam_unix in stacked module concept

Change-Id: Id959107cae1819ff622e5993cd276075bcb92d2a
Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com>
diff --git a/src/.clang-format b/src/.clang-format
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