Changed the styling of organisation labels (Fixes #5)

- Admins are green
- Members are white
- Pending members are yellow
- Pending organisations are grey background

templates/tables/users.html.twig

@@ -86,7 +86,7 @@
         {{#if row.organisations.length }}
         <td style="line-height: 2em;">
             {{#each row.organisations }}
-                <a href="{% endverbatim %}{{site.uri.public}}{% verbatim %}/organisations/o/{{this.slug}}" class="label label-primary {{#if this.pivot.flag_admin }}organisation-admin{{/if}}" title="{{this.description}}" data-text="{{this.name}}" style="font-size: 100%;">{{this.name}}</a><br>
+                <a href="{% endverbatim %}{{site.uri.public}}{% verbatim %}/organisations/o/{{this.slug}}" class="label bg-primary {{#ifx this.pivot.flag_approved '!=' 1 }}membership-pending{{/ifx}} {{#ifx this.flag_approved '!=' 1 }}organisation-pending{{/ifx}}  {{#if this.pivot.flag_admin }}organisation-admin{{/if}}" title="{{this.description}}" data-text="{{this.name}}" style="font-size: 100%;">{{this.name}}</a><br>
             {{/each}}
         </td>
         {{ else }}