v1.0.12: Make $css available for used views (#50)

* Includes the CSS as setting in Beautymail

This makes the $css variable useable in all templates

* $css variable for ark template

Added the $css variable

* Added $css variable for minty template

* Update sunny.blade.php

* Update widgets.blade.php

* $css variable in sunny template

* Update minty.blade.php

* $css variable for Ark Template

* $css variable for Minty Template

* $css variable for Sunny Template

* $css variable for Widgets Template

* Fixed a false ; character

* Added css variable to register() function

This adds the CSS from the configuration file to Beautymail

* Share $css from configuration with all views

* Make sure the $css setting isn't null or empty

to prevent errors, first check if the css settings is uncommented (not null) and if it's an array with at least one option

* Update BeautymailServiceProvider.php