8174113: Better sourcing of code
Reviewed-by: mullan, ahgross

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

8129972: Clarify the javadoc of java.security.CodeSource as to the nullability of 'location'
Summary: Improves clarity of the CodeSource javadoc, specifically regarding the ability of the URL parameter in the constructors being null.
Reviewed-by: mullan

8131486: SecureClassLoader key for ProtectionDomain cache also needs to take into account certificates
Reviewed-by: weijun

8130022: Use Java-style array declarations consistently
Reviewed-by: coffeys

6826789: SecureClassLoader should not use CodeSource URLs as HashMap keys
Reviewed-by: weijun

8078468: Update security libraries to use diamond with anonymous classes
Reviewed-by: weijun

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