Joyrex

Results 3 issues of Joyrex

This is more of a stylistic choice, but the tags that are rendered in Select2 (I think) should conform more to Bootstrap 4's badges (since that is what they most...

changing all instances of `.has-error` to `.is-invalid` and `.has-success` to `.is-valid` allows validation classes to properly render on Select2 elements.

The placeholder text is misaligned when using Select2 Bootstrap 4 theme in multiple (tag) mode: ![image](https://user-images.githubusercontent.com/651646/40334793-7b2fb790-5d25-11e8-997f-662039a494f8.png) Adjusting the `padding-top` on `.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__rendered` from `.75rem` to `.50rem' aligns it correctly:...