Reviewed-by: dholmes

Reviewed-by: chegar, sherman

Reviewed-by: xdono

Reviewed-by: darcy, weijun

Summary: -i can't combined with cxut, do sanity check on options
Reviewed-by: martin

Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair

Summary: cleanup of jar/Main.java (Initial patch by tobyr@google.com, additional review by jeremymanson@google.com, ulf.zibis@gmx.de)
Reviewed-by: sherman, alanb

Summary: Store "-C" directories in a HashSet, not List, to remove duplicates
Reviewed-by: sherman
Contributed-by: jeremymanson@google.com

Summary: To use ZipFile for jar "t" and "x" to boost performance
Reviewed-by: martin, alanb

Summary: boost jar creating performance especially for the large jar file
Reviewed-by: martin