Style improvements to the add a new application page:

- fix size of description textarea
- place "remove" buttons closer to text input fields for environments
- add icon for "add another environment" link

templates/fragments/applications/edit_application_form.html

@@ -1,8 +0,0 @@
-{% from "components/text_input.html" import TextInput %}
-
-{{ form.csrf_token }}
-<p>
-  {{ "fragments.edit_application_form.explain" | translate }}
-</p>
-{{ TextInput(form.name) }}
-{{ TextInput(form.description, paragraph=True) }}