Add dropSoftDeletes method to migrations

Signed-off-by: Daniel Bondergaard <danielboendergaard@gmail.com>
Fixed custom validator extensions when using Validator::extend

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Fixing tests for 5.3

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Merge pull request #2491 from jasonlewis/fix/validator-extensions-snake-cased

Fixed custom validator extensions when using Validator::extend
Merge pull request #2495 from danielboendergaard/migrate-drop-softdelete-2

Add dropSoftDeletes method to migrations