update ui

templates/user_changemail_mail.html

@@ -1,6 +1,6 @@
 {% extends "layout/mail.html" %}
 {% block title %}{{ _('Change Email') }}{% endblock %}
 {% block content %}
-<p>{{ _('Hello, {0}! You can click following link to active your new email of your Vijos account:').format(uname) }}</p>
+<p>{{ _('Hello, {0}! You can click following link to active your new email of your Hydro account:').format(uname) }}</p>
 <p><a href="{{ url_prefix }}{{ url }}">{{ url_prefix }}{{ url }}</a></p>
 {% endblock %}