This is different to the old categories drop down, because that also
included meta-categories of "Whats New" and "Recently Updated". Given
we now show them on the first page, this categories screen can do away
with them.
Each category entry loads a few apps to show to the user.
Note: The "View all" button next to each category doesn't currently
go anywhere. It will soon be hooked up to an app list that is filtered
to the selected category.
Smooshes the recently updated and recently added lists into one,
and adds a status line under each app saying which of the two it
is (i.e. "Recnelty Updated" or "Whats New".
Also tried a more specific naming scheme for dimens to make it clearer where
they are to be used. This increased the padding on the left/right of the collapsable
lists. It also decreased the padding above/below.
This makes it a lot easier to setup all the testing stuff. Mostly,
I'm tired of fighting Android Studio's fragility, so I want to remove
as much non-standardness as possible in the hopes of improving that
situation.
closes#534https://gitlab.com/fdroid/fdroidclient/issues/534
