VOL-5358 - Build & test on the new AMI image

lf/bridge.mk
lf/transition.mk
----------------
  o Replace bridge.mk with transition.mk copied from lf/onf-make/transition.mk.
  o Some minor varname changes were needed.

Makefile
--------
  o Update logic and conditionals to begin using transition logic.
  o Change use-lib-makefiles conditional to depend on an env var
    in addition to hardcoded usernames.
  o Cleanup includes and lint conditional flags, most live in config.mk now.

lf/config.mk
------------
  o Update conditiona makefile lint and behavior flags to include
    all definitions currently supported by repo:onf-make.

makefiles/include.mk
--------------------
  o Begin removing makefile includes replaced by repo:onf-make.
  o virtualenv.mk, etc/include, consts.mk, etc.

Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
Change-Id: Ic53841883b125423a3685fdd09e73aaa86556b79
7 files changed