This subclasses the Review mods dialog to make a "Update review" one.
Also, all the necessary components built until now are put together in a
coherent unity that checks and generates metadata on-the-fly and checks for
mod updates, while giving and receiving feedback to the user.
Signed-off-by: flow <flowlnlnln@gmail.com>
Those tasks take a list of mods and check on the mod providers for
updates. They assume that the mods have metadata already.
Signed-off-by: flow <flowlnlnln@gmail.com>