Also disable master-2-16-32-{att,dt,tt} jobs that hang on inactive blade hardware

Makefile
makefiles/target/
-----------------
  o Refactor Makefile, move target logic into makefiles/targets/{target-name}.mk
  o Add context specific help -> makefile target: help-{target-name}

Change-Id: Ib00975e56488c7c23ebc01963002be59a7e3c97c
diff --git a/makefiles/include.mk b/makefiles/include.mk
index 339d367..be08b19 100644
--- a/makefiles/include.mk
+++ b/makefiles/include.mk
@@ -34,9 +34,26 @@
 include $(ONF_MAKE)/lint/include.mk
 include $(ONF_MAKE)/git-submodules.mk
 include $(ONF_MAKE)/gerrit/include.mk
+
 include $(ONF_MAKE)/todo.mk
 include $(ONF_MAKE)/help/variables.mk
 
+##-------------------##
+##---]  TARGETS  [---##
+##-------------------##
+include $(ONF_MAKE)/targets/clean.mk
+# include $(ONF_MAKE)/targets/check.mk
+include $(ONF_MAKE)/targets/sterile.mk
+# include $(ONF_MAKE)/targets/test.mk
+
 $(if $(DEBUG),$(warning LEAVE))
 
+## --------------------------------------------------------------------------
+## structure to support pre/post target handling w/o inlining in Makefile (?)
+## --------------------------------------------------------------------------
+##   include makefiles/include.mk
+##     include makefiles/main/enter.mk
+##     [... include *.mk ...]
+##     include makefiles/main/leave.mk
+
 # [EOF]