This affects version numbers, extensions and paths, which might be
skeleton-specific. This commit moves those hardcoded values out of
the classes and instead injects them through the constructor. This
way, all prerequisites can be configured in the service provider.
Even when no language packs are enabled, a forum-en-xxx.js (or whatever the default locale is) file is still generated because other extensions may contain translations. But when enabling the English language pack, since no locales are registered with the LocaleManager, that file doesn't get flushed and therefore doesn't get regenerated with the English translations. This fix always registers the default locale with the LocaleManager so that's not the case.
Since we'll be encouraging (requiring?) people to include an "en" translation in extensions they want to put on the Marketplace, we should have a further fallback to "en" if it can't find translations in the forum's default language. That way if people only use extensions from the Marketplace, they'll hardly ever see any key names.
Thanks to @dcsjapan for the suggestion.
The default XHR error handler produce an alert which is appropriate to the response status code. It can be overridden per-request (by specifying the `errorHandler` option) so that the alert can be suppressed or displayed in a different position (e.g. inside a modal).
ref #118
If the version in the settings table mismatches the code version, then we return a 503 error for all requests coming through index.php and api.php, while admin.php serves up a form prompting for the database password which will run outstanding migrations.
We now use Symfony's Translation component. Yay! We get more powerful pluralisation and better a fallback mechanism. Will want to implement the caching mechanism at some point too. The API is replicated in JavaScript, which could definitely use some testing.
Validators have been refactored so that they are decoupled from models completely (i.e. they simply validate arrays of user input). Language packs should include Laravel's validation messages.
ref #267