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

8167143: CLDR timezone parsing does not work for all locales
Reviewed-by: naoto

8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
Reviewed-by: naoto, okutsu, peytoia

8055900: j.t.SimpleDateFormat spec needs to be clarified regarding month patterns
Reviewed-by: okutsu, peytoia

7090039: Wrong link in comment of java.text.DateFormatSymbols
Reviewed-by: okutsu

8151431: DateFormatSymbols triggers this.clone() in the constructor
Reviewed-by: naoto, peytoia

8151393: Revert changes for JDK-8087104
Reviewed-by: alanb

8087104: DateFormatSymbols triggers this.clone() in the constructor
Summary: Instead of using its own instance for caching and calling clone in DateFormatSymbols, a nested class SymbolsCacheEntry is introduced.
Reviewed-by: okutsu, peytoia

8145680: Remove unnecessary explicit initialization of volatile variables in java.base
Reviewed-by: alanb, chegar, jfranck, shade

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