Solve 5.3 blade directives and added DB seeder

• Solve the problem with the parenthesis in the blade directives in laravel 5.3.
• Added a seeder that fills the permissions, roles and users tables with some initial configurations

Namespace Change

Removed Santigarcor vendor from the namespace

2.0.0

• Added automatic configuration to the package (thanks to @KKSzymanowski ).
• Changed the relationship name between Role and Permission to permissions.
• Solved empty users table name when doing the migration command.
• Added that method can returns true when an empty array is given.