Update copyrights for 2016

[tcmitchell]

Update the copyrights to include 2016.

Manually update AppCopyright in windows_install\package_builder.iss

Update files new in 2015 (copyright contains just 2015):

for f in `find . -type f -exec grep -l ' 2015 Raytheon BBN Technologies' {} \;`; do
  echo $f
  sed -i _ 's/2015 Raytheon/2015-2016 Raytheon/g' $f
done

Update files with a date range:

for f in `find . -type f -exec grep -l '\-2015 Raytheon BBN Technologies' {} \;`; do
  echo $f
  sed -i _ 's/2015 Raytheon/2016 Raytheon/g' $f
done