Fixed some missing footer_text partials and a few inconsistencies between plain text and html email templates

src/static/templates/email/admin_reset_password.hbs

@@ -1,6 +1,4 @@
 Master Password Has Been Changed
 <!---------------->
 The master password for {{user_name}} has been changed by an administrator in your {{org_name}} organization. If you did not initiate this request, please reach out to your administrator immediately.
-
-===
-Github: https://github.com/dani-garcia/vaultwarden
+{{> email/email_footer }}

src/static/templates/email/change_email.hbs

@@ -3,6 +3,4 @@ Your Email Change
 To finalize changing your email address enter the following code in web vault: {{token}}
 
 If you did not try to change an email address, you can safely ignore this email.
-
-===
-Github: https://github.com/dani-garcia/vaultwarden
+{{> email/email_footer }}

src/static/templates/email/delete_account.html.hbs

@@ -4,7 +4,7 @@ Delete Your Account
 <table width="100%" cellpadding="0" cellspacing="0" style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
    <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
       <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none; text-align: center;" valign="top" align="center">
-         click the link below to delete your account.
+         Click the link below to delete your account.
       </td>
    </tr>
    <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">

src/static/templates/email/invite_accepted.hbs

@@ -1,5 +1,5 @@
 Invitation to {{{org_name}}} accepted
 <!---------------->
-Your invitation for *{{email}}* to join *{{org_name}}* was accepted.
+This email is to notify you that {{email}} has accepted your invitation to join {{org_name}}.
 Please log in via {{url}} to the vaultwarden server and confirm them from the organization management page.
 {{> email/email_footer_text }}

src/static/templates/email/invite_confirmed.hbs

@@ -1,5 +1,5 @@
 Invitation to {{{org_name}}} confirmed
 <!---------------->
-Your invitation to join *{{org_name}}* was confirmed.
-It will now appear under the Organizations the next time you log in to the web vault at {{url}}.
+This email is to notify you that you have been confirmed as a user of {{org_name}}.
+Any collections and logins being shared with you by this organization will now appear in your Vaultwarden vault at {{url}}.
 {{> email/email_footer_text }}

src/static/templates/email/send_2fa_removed_from_org.hbs

@@ -4,6 +4,4 @@ You have been removed from organization *{{org_name}}* because your account does
 
 
 You can enable Two-step Login in your account settings.
-
-===
-Github: https://github.com/dani-garcia/vaultwarden
+{{> email/email_footer }}

src/static/templates/email/send_single_org_removed_from_org.hbs

@@ -1,5 +1,4 @@
 You have been removed from {{{org_name}}}
 <!---------------->
 Your user account has been removed from the *{{org_name}}* organization because you are a part of another organization. The {{org_name}} organization has enabled a policy that prevents users from being a part of multiple organizations. Before you can re-join this organization you need to leave all other organizations or join with a different account.
-===
-Github: https://github.com/dani-garcia/vaultwarden
+{{> email/email_footer }}