Delete old fedostree-make-trees scripts

This is now moved into autobuilder/
build: Move copr repo into products.json
Add .gitignore from ostree
fedostree/web: Lots of wordsmithing for homepage
products: Drop redundant -server from freeipa
products: Change GNOME product naming, add development+virt tree
fedostree/web: Add lots of words

Some rationale, some more details.