hg: build-infra/jdk8: Massive cleanup of MakeHelper: improve structure, function names, formatting

[magnus.ihse.bursie at oracle.com]

Changeset: 85309afb2b34
Author:    ihse
Date:      2012-10-25 00:51 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/85309afb2b34

Massive cleanup of MakeHelper: improve structure, function names, formatting
and simplify logic.

! common/makefiles/Main.gmk
! common/makefiles/MakeHelpers.gmk