Support building with GNU make 4.0

* It works just fine, no need for the warning.

Change-Id: Ifa2ab17454edfcd8b7840a7534f70576286f2864
build: Allow building with OpenJDK

Change-Id: I6348bc1187240729f75f50d7ef91802c68e7788b
Allow to build with Java 1.7
core: main: remove all the spam about including make files

Change-Id: Ifd2ef0e239d16b169c572472416c2c31df62a367
Add breakfast and brunch from CM