make create command output copy-paste friendly

[glensc]

before:

➔ ./vendor/bin/phinx create InitialData
Phinx by Rob Morgan - https://phinx.org. version 0.8.0

using config file ./phinx.php
using config parser php
using migration paths 
 - /tmp/jura/db/migrations
using migration base class Phinx\Migration\AbstractMigration
using default template
created /db/migrations/20170428180919_initial_data.php

➔ git add /db/migrations/20170428180919_initial_data.php
fatal: Could not switch to '/db/': No such file or directory

➔

after:

➔ ./vendor/bin/phinx create InitialData
Phinx by Rob Morgan - https://phinx.org. version 0.8.0

using config file ./phinx.php
using config parser php
using migration paths 
 - /tmp/jura/db/migrations
using migration base class Phinx\Migration\AbstractMigration
using default template
created db/migrations/20170428180919_initial_data.php

➔ git add db/migrations/20170428180919_initial_data.php

➔

[robmorgan]

thanks 👍