Ensure .ts files have trailing newlines

[josephfrazier]

This was done by running:

git ls-files | grep ts$ | xargs -n 1 sed -i -e '$a\'

which was adapted from the following:

https://unix.stackexchange.com/questions/31947/how-to-add-a-newline-to-the-end-of-a-file/31955#31955