Merge

6930508: Passing nested class names on javac command line interfere with subsequent name -> class lookup Reviewed-by: darcy

7026359: (langtools) fix big jar test Reviewed-by: jjg

6558548: The compiler needs to be aligned with clarified specification of throws Summary: Javac should issue unconditional warnings when 'dead' catch clauses are detected Reviewed-by: jjg

4743537: Help doesn't say what "All Classes" and other links really mean Reviewed-by: jjg

6988079: Errors reported via Messager.printMessage(ERROR,"error message") are not tallied correctly Reviewed-by: darcy

6987384: -XprintProcessorRoundsInfo message printed with different timing than previous Reviewed-by: darcy

6993311: annotations on packages are not validated Reviewed-by: mcimadamore

7026509: Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations Reviewed-by: mcimadamore

7010608: the string 'error' should appear in error messages Reviewed-by: mcimadamore

7026414: Types.asElement() returns null for ErrorType Reviewed-by: darcy

7006178: findbugs high priority issues in new javadoc Reviewed-by: jjg

7026868: Apply specification changes fro 6505047 Reviewed-by: jjg

6776656: Incorrect number in 'generated' help-doc.html Reviewed-by: jjg

7025988: Test test/tools/javac/file/zip/T6836682.java takes too long to complete Summary: added @ignore tag to temporarily disable the test Reviewed-by: jjg

7021927: javac: regression in performance Reviewed-by: jjg