Переименование шаблонов email

Переименовываем шаблоны email для возможности их нормальной локализации через Crowdin.

library/language/en/email/user_activate.html

@@ -0,0 +1,10 @@
+Subject: Reactivate your account
+Charset: UTF-8
+
+Hello {USERNAME},
+
+Your account on "{SITENAME}" has been deactivated, most likely due to changes made to your profile. In order to reactivate your account you must click on the link below:
+
+{U_ACTIVATE}
+
+{EMAIL_SIG}