created current scope in event_schedule model and conference info link name and path changed

app/views/admin/conference/conference_info.html.haml

@@ -0,0 +1,16 @@
+- if @conference.present?
+  .row
+    .col-md-12.text-center
+      %h1
+        = @conference.title
+      - if @conference.description.present?
+        %h3
+          = @conference.description
+  - if @current_event_schedules.present?
+    .row#current-events
+      = render 'current_events'
+  - if @conference.contact.social_tag.present? && @tweets.any?
+    .row#conference-tweets
+      = render 'conference_tweets'
+  - if @sponsors.any?
+    = render 'sponsors'