Don't use deprecated APIs

This was killing the performance of the settings view, taking 5-6
seconds to open certain panels.

Closes #119
Prepare 0.112.0 release
Add section for package updates
Use upgrade instead of install text
Add available version to view
Tweak section heading
Use primary instead of success class
Show update errors
Drop available suffix
Add Update All button
Show update using description instead of label
Tweak update label
Tweak up to date message
Disable update all button when empty
Hide update area on update event
Use PackageManager::getOutdate() from menu and installed view
Update instead of upgrade
Use update in tooltip
Don't remove on uninstall
Hide button when no updates are available