Emergency Access cleanup

This commit contains mostly superficial user-facing cleanup, to be followed up
with more extensive cleanup and fixes in the API implementation.

src/static/templates/email/emergency_access_recovery_reminder.hbs

@@ -1,6 +1,6 @@
 Emergency access request by {{{grantee_name}}} is pending
 <!---------------->
-{{grantee_name}} has a pending emergency request to *{{atype}}* your account. You may login on the web vault and manually approve or reject this request.
+{{grantee_name}} has a pending emergency access request to {{atype}} your account. You may login on the web vault ({{url}}) and manually approve or reject this request.
 
-If you do nothing, the request will automatically be approved after {{wait_time_days}} day(s).
+If you do nothing, the request will automatically be approved after {{days_left}} day(s).
 {{> email/email_footer_text }}