Internationalization

Merged a pull request with internationalization/languages

Fixes and small improvements

• Fix for file upload field - wasn't working properly
• Small fixes and merge pull requests

Official version - working with Laravel 5.2

We're out of "beta" - official 1.0.0 release, working with Laravel 5.2.
For Laravel 5.1 users - please use QuickAdmin branch 0.4.x

Rollback to Laravel 5.1

Rollback the last commit (it was breaking the package) and get back to Laravel 5.1 until proper fix for Laravel 5.2.

Package change to work with Laravel 5.2

Changing illuminate/html to laravelcollection/html package

Small fix for file edit

Small fix for file input field type

Relationship empty value fix

Fix a bug with relationship field empty value

Relationship dropdown empty value

Small, but important: for dropdowns - default empty value

Controller fix

Small, but important controller fix

Role choice and small fixes

• Choosing roles for menu items
• Small fixes
• Documentation update