Add a fallback sans-serif font in case the custom font fails to load

Add language line for file validation rule

[5.3] Password broker would always use notifications::email view.

Signed-off-by: crynobone <crynobone@gmail.com>

expire jobs after 90 seconds

Added session domain env configuration

Make password_resets.created_at nullable

Prevents MySQL assigning default CURRENT_TIMESTAMP
Related issue: laravel/framework#11518

Session domain value available with env configuration
https://github.com/laravel/laravel/pull/3806

[5.3] Return JSON for unauthenticated AJAX requests

[5.3] Use proper PDO fetch style

List supported drives in cache and broadcasting configs

This config option ties in with changes in fbd6e77 that were tagged in
v5.2.35 of the framework.

Make TestCase abstract