Added category hooks.
Added so page, post & content hooks signal if the model is being published or not. See issue #282
Added hooks to the manager category controller.
Added german translations contributed by @SpitzBubeDe. Requested in issue #219
Changed order so that EditModelLoaded is executed before page title is set.
Reverted so title is set before OnModelLoaded hook is executed.
Updated NuGet-packages to the latest version. See issue #284
Added portuguese (Brazil) translations.
Merge pull request #297 from Mucaccino/2.2.2

Added portuguese (Brazil) translations
Added french resources by contributed by @cosaques.
Updated assembly versions.
Fixed access modifiers on base controllers to support attribute routing. See issue #279
Merge pull request #299 from NaseUkolyCZ/master

Issues #291 and #287 fixes suggested
Merge branch 'refs/heads/2.2.2'
Merge branch 'master' of https://github.com/NaseUkolyCZ/Piranha