8004842: Unify values of boolean make variables set in configure to true/false
Reviewed-by: erikj

8145596: Enable debug symbols for all libraries
Reviewed-by: erikj

8140661: Rename LDFLAGS_SUFFIX to LIBS
Reviewed-by: erikj

8077824: Introduce DefineNativeToolchain to handle toolchain configurations
Reviewed-by: ihse, tbell

8074096: Disable (most) native warnings in JDK on a per-library basis
Reviewed-by: erikj, tbell

8049367: Modular Run-Time Images
Reviewed-by: chegar, dfuchs, ihse, joehw, mullan, psandoz, wetmore
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, bradford.wetmore@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, james.laskey@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com, sundararajan.athijegannathan@oracle.com

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com