Migrations Generator Laravel Package

This is the final release adding fixes for Laravel 4. All new releases will be for Laravel 5

Move the Laravel 5 branch into master and create the first release

• Support for Laravel 4.2
• Support for named foreign keys
• Fix error with --ignore option

• Fixed problem with char fields showing up as varchar
• Allow decimal, float, and double to be unsigned
• Allow cascading on foreign key update/delete