Summary: switch on EA by default, optimize Connection Graph construction
Reviewed-by: rasbold, never

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

Summary: The method Node::dominates loops in the dead code which does not have a Region node.
Reviewed-by: jrose, never

Summary: Current EA code has several problems which have to be fixed.
Reviewed-by: jrose, sgoldman

Reviewed-by: kvn, rasbold