Change Auth::guest() to call the check() method.

Instead of reimplementing the logic of the Auth::check() method, we can call and negate it. This makes it easier to change things in a Guard subclass.
Merge pull request #2439 from franzliedke/patch-12

Change Auth::guest() to call the check() method.
Fix unguarded bug.
added call to isValid to validateMax function, since failed uploads report zero size, leading to incorrect success for this validation
Added new options to control amount of time between jobs.
Merge branch 'issue-2433' of https://github.com/simonhampel/framework into simonhampel-issue-2433
work on validator file checks.
Add dropSoftDeletes method to migrations

Signed-off-by: Daniel Bondergaard <danielboendergaard@gmail.com>
fix - trim the output of the fully rendered php to ensure that DOCTYPE is on the first line (fixes #2359)
Merge pull request #2478 from thomasedwards/4.0

fix - trim the output of the fully rendered php to ensure that DOCTYPE is on the first line (fixes #2479)
Only allow asc or desc to be passed into orderBy.
Update Builder.php's pluck method doc string to better reflect its actual functionality
Merge pull request #2490 from machuga/4.0

Update Builder.php's pluck doc string to better reflect its functionality
Allow studly case extensions.
Fix casing issue on hasColumn.
Allow escaping of Blade echos using @ sign.
Update change log.
Fix typo.
Allow custom messages to be registered when using Validator::extend
Removed redundant strtolower() since it's done in snake_case().

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>