Reviewed-by: rupashka, alexp

Reviewed-by: peterz, loneid

Reviewed-by: malenkov
Contributed-by: NFlorian Brunner <fbrunnerlist@gmx.ch>

Reviewed-by: peterz

Reviewed-by: alexp

Summary: ShellFolder is used only if possible
Reviewed-by: peterz

6772646: Regression test  java/text/Date/DateFormat/Bug4823811.java started failing after DST ended.
Reviewed-by: okutsu

6769873: Regression test  java/text/Date/DateFormat/Bug6683975.java started failing after DST ended.
Reviewed-by: okutsu

Summary: Removed unnecessary castings and other warnings
Reviewed-by: malenkov

Reviewed-by: okutsu

Reviewed-by: okutsu

Reviewed-by: okutsu

Summary: Check type of Toolkit before casting.
Reviewed-by: alexp