Reviewed-by: alexp, dcherepanov

Summary: updated files with 2011, 2012 and 2013 years according to the file's last updated date
Reviewed-by: tbell, lancea, chegar

Reviewed-by: art

Reviewed-by: darcy, weijun

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

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Summary: event.getComponent() is used unstead of (Component)event.getSource()
Reviewed-by: peterz