Libre en fête and linux presentation day logos better sized

app/views/regions/_filter.haml

 -# Choose a region to filter events with
 %ul.regions
-  %li#near-me{ class: ('selected' if params[:near].present?) }
-    - if params[:near].present? && params[:near][:location].present?
+  %li#near-me{ class: ('selected' if (params[:near] && params[:near][:location]).present?) }
+    - if (params[:near] && params[:near][:location]).present?
       %a(href="?near=")
         %em.fa.fa-map-pin
         = params[:near][:location]

app/views/tags/_context.html.haml

@@ -4,7 +4,7 @@
   - if controller_name != 'tags' && %w[show edit].include?(action_name)
     = t '.link'
   %a(href='https://www.libre-en-fete.net')
-    = image_tag 'lef.png', width: '180', height: '60', alt: 'Libre en Fête',
+    = image_tag 'lef.png', width: '486', height: '60', alt: 'Libre en Fête',
       style: 'vertical-align: middle'
 
 - elsif tags.include? 'linux-presentation-day'