Add invite by email (WIP)

static/directives/team-view-add.html

@@ -2,10 +2,13 @@
   <div class="entity-search"
        namespace="orgname" placeholder="'Add a registered user or robot...'"
        entity-selected="addNewMember(entity)"
+       email-selected="inviteEmail(email)"
        current-entity="selectedMember"
        auto-clear="true"
        allowed-entities="['user', 'robot']"
        pull-right="true"
+       allow-emails="true"
+       email-message="Press enter to invite the entered e-mail address to this team"
        ng-show="!addingMember"></div>
   <div class="quay-spinner" ng-show="addingMember"></div>
   <div class="help-text" ng-show="!addingMember">