Make password_resets.created_at nullable

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

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

Add missing Mandrill secret keys in config.services

[5.2] Get guest middleware using guestMiddleware() method in ResetsPasswords

Add language line for image dimensions validation rule

Use Bootstrap 3.3

Unless there is a reason why not?

guestMiddleware() defined on ResetsPasswords trait

This change is required to fix issue #13383

Depends on pull request laravel/framework#13384

Add npm scripts

Switch to `.scss`

Tweaked config

Update Kernel.php

Fixed typo

Fixed up the phpunit config

Add support for the authorize middleware and AuthorizesRequests trait

Bump package versions

[5.2] Use ComposerScripts

Update .env.example

add DB_CONNECTION as env variable - it is already checked for in config/database.php

[5.2] Allow for setting sqlite database via env

Applied fixes from StyleCI

Applied fixes from StyleCI