Fix broken translated links

Only fallback to English when no language code is supplied in translate.rb
Drop link to events page in ar, far translations

_plugins/translate.rb

@@ -38,6 +38,7 @@ module Jekyll
         end
       end
       #define id, category and lang
+      defaulten = true
       lang = Liquid::Template.parse("{{page.lang}}").render context
       cat = Liquid::Template.parse("{{page.id}}").render context
       id=@id.split(' ')
@@ -46,6 +47,7 @@ module Jekyll
       end
       if !id[2].nil?
         lang = Liquid::Template.parse(id[2]).render context
+        defaulten = false
       end
       id=Liquid::Template.parse(id[0]).render context
       if lang == ''
@@ -64,7 +66,7 @@ module Jekyll
         text = ar[id]
       end
       #fallback to English if string is empty
-      if text == ''
+      if text == '' and defaulten == true
         lang = 'en'
         ar = site['loc'][lang]
         for key in keys do

_templates/community.html

@@ -28,7 +28,11 @@ id: community
 <div>
   <div>
     <h2><img src="/img/ico_multi.svg" class="titleicon" alt="Icon">{% translate meetups %}</h2>
+    {% case page.lang %}
+    {% when 'ar' or 'fa' %}
+    {% else %}
     <p><a href="/{{ page.lang }}/{% translate events url %}">{% translate meetupevents %}</a></p>
+    {% endcase %}
     <p><a href="http://bitcoin.meetup.com/">{% translate meetupgroup %}</a></p>
     <p><a href="https://bitcointalk.org/index.php?board=86.0">{% translate meetupbitcointalk %}</a></p>
     <p><a href="https://en.bitcoin.it/wiki/Meetups">{% translate meetupwiki %}</a></p>