Adding project aggregator template
Defaulting the download widget selector to the current release

[#55229228]
Merge commit 'a17592cd76de02582c3e74883a27a56b33d007d2' into gh-pages

# By Jesse Heitler and Kurtis Seebaldt
# Via Jesse Heitler and Kurtis Seebaldt
* commit 'a17592cd76de02582c3e74883a27a56b33d007d2':
  Defaulting the download widget selector to the current release
  Adding project aggregator template