updates.html: Show type of release (release, prerelease, commit)
updates.html: Show type of release (release, prerelease, commit)

Closes #335

mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry