8186160: Fix a11y issues in java.security package
Reviewed-by: wetmore

8181082: class-level since tag issues in java.base & java.datatransfer module
Reviewed-by: alanb, serb

8179592: Update tables in java.base to be HTML 5-friendly.
Reviewed-by: mchung, darcy, martin

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