only add parent_id column if it doesn't exist (orisintel#8)

* only add parent_id column if it doesn't exist

* Apply fixes from StyleCI

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* explanation

* Apply fixes from StyleCI

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only add parent_id column if it doesn't exist (orisintel#8)

* only add parent_id column if it doesn't exist

* Apply fixes from StyleCI

[ci skip] [skip ci]

* explanation

* Apply fixes from StyleCI

[ci skip] [skip ci]

Rename 2019_04_02_101408_add_parent_id_to_table.php to 2018_09_04_161…

…009_add_parent_id_to_table.php

update artisan to no longer prepend 'artisan' to command name

Parent / child process ids (orisintel#7)

* add migration

* add relation

* fillable

* typo fix

* enable foreign keys on sqlite

* cleanup

* fix fake migration

* parents work with urls

* Apply fixes from StyleCI

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* parents for artisan commands

* Apply fixes from StyleCI

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* check for children count

* add fk

* comment about $_SERVER

id -> primary_key

Apply fixes from StyleCI (orisintel#4)

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Update ProcessStamp.php

Apply fixes from StyleCI (orisintel#3)

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Update ProcessStampable.php (orisintel#2)

Changed observer method from saving to creating as saving is fired on creates and updates.