API errors refactoring

Fix haml template error for ldap login.

Reduce the amount of JavaScript written in views

fix typo

Seeing `:javascript` all over Views feels like a code smell. This goes a
long way towards reducing the amount of JS in views, but there's still
plenty to be done on that front.

Team membership events

Markdown code fixes

Add emoji docs

Preselected milestone and assignee while create new issue