8078334: Mark regression tests using randomness
Reviewed-by: xuelei, alanb

7033660: Update copyright year to 2011 on any files changed in 2011
Reviewed-by: dholmes

7021582: convert jar/zip code and tests to use try-with-resources
Reviewed-by: alanb, dholmes, sherman

6982137: Rebranding pass 2 - missed copyright changes
Reviewed-by: mbykov

4691425: GZIPInputStream fails to read concatenated .gz files
Summary: to support concatenated .gz streams
Reviewed-by: martin