Added build dependencies script

Added build dependencies script

Created build script that prepares two dependencies (cereal and
boost) for use by the build environment. This also adds the
dependency builder in the auto build script used by the continuous
integation servers.

Change-Id: I776a3b3f208b1ea0c253cc693d639c19b603fbca
Signed-off-by: Patrick Lankswert <patrick.lankswert@intel.com>
(cherry picked from commit 93e87e9959d536120bedd47a837603418743cc6d)
Reviewed-on: https://gerrit.iotivity.org/gerrit/194
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sudarshan Prasad <sudarshan.prasad@intel.com>