8169778: Add new public methods to get new instances of the JAXP factories builtin system-default implementations
Summary: A new public static method is added to each of the JAXP factories. The new method will create and return a new instance of the system-default builtin implementation, without going through the lookup process.
Reviewed-by: rriggs, joehw, lancea, alanb

8160069: RuntimeException thrown by XPathFactory::newInstance missing the cause
Reviewed-by: lancea

8049378: Examine references to ${java.home}/lib in JAXP
Reviewed-by: lancea, alanb

8054196: XPath: support any type
Reviewed-by: alanb, lancea, dfuchs

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