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

Reviewed-by: dholmes, mchung

Reviewed-by: lancea, chegar, psandoz

Reviewed-by: alanb

Reviewed-by: mchung, alanb

Reviewed-by: mchung, ahgross

Reviewed-by: forax, dcubed

Reviewed-by: dholmes

Reviewed-by: darcy, lancea, alanb, briangoetz, mduigou, mchung

Reviewed-by: darcy, weijun

Summary: Fix typos, some grammar and some inconsistencies in phrasing.
Reviewed-by: tbell