PLT-602 combining welcome and verify email

api/templates/welcome_body.html

@@ -15,6 +15,17 @@
                             <tr>
                                 <td>
                                     <table border="0" cellpadding="0" cellspacing="0" style="padding: 20px 50px 0; text-align: center; margin: 0 auto">
+                                        {{if .Props.VerifyUrl }}
+                                        <tr>
+                                            <td style="border-bottom: 1px solid #ddd; padding: 0 0 20px;">
+                                                <h2 style="font-weight: normal; margin-top: 10px;">You've been invited</h2>
+                                                <p>Please verify your email address by clicking below.</p>
+                                                <p style="margin: 20px 0 15px">
+                                                    <a href="{{.Props.VerifyUrl}}" style="background: #2389D7; border-radius: 3px; color: #fff; border: none; outline: none; min-width: 200px; padding: 15px 25px; font-size: 14px; font-family: inherit; cursor: pointer; -webkit-appearance: none;text-decoration: none;">Verify Email</a>
+                                                </p>
+                                            </td>
+                                        </tr>
+                                        {{end}}
                                         <tr>
                                             <td style="border-bottom: 1px solid #ddd; padding: 0 0 20px;">
                                                 <h2 style="font-weight: normal; margin-top: 10px;">You can sign-in to your new team from the web address:</h2>