CP-5818: Productise removal of lvm2-lvcreate-inactive-flag.patch

Snapshot and leaf coalesce use temp files with additional info like
parent UUID in the name of the file. Since this name is too long and
not liked by mapper, the file is created in an inactive mode. This
patch changes the logic to create a temp file with a shorter name
and writes additional informaton into the file. Inactive flag for
lvcreate is no longer required.

This changeset includes the fix made for ticket [CA-117034].

Signed-off-by: Chandrika Srinivasan <chandrika.srinivasan@citrix.com>