This schedules CleanCacheService to run regularly, and delete files older
than the value set in the new "Keep cached apps" preference. It auto-
migrates the old "Cache packages" pref to the new one. The default cache
time for people who did not have "Cache packages" enabled is one day.
Now that we have a nice background service, let's put it to work! This
makes update APKs be automatically downloaded after the index is updated.
Then when the user goes to install the updates, they will not have to wait
for the download part.
#601https://gitlab.com/fdroid/fdroidclient/issues/601
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
