Support markdown in more fields

app/views/admin/event_types/_form.html.haml

@@ -8,10 +8,11 @@
         = @event_type.title
 .row
   .col-md-12
-    = semantic_form_for(@event_type, url: (@event_type.new_record? ? admin_conference_program_event_types_path : admin_conference_program_event_type_path(@conference.short_title, @event_type))) do |f|
+    - form_url = (@event_type.new_record? ? admin_conference_program_event_types_path : admin_conference_program_event_type_path(@conference.short_title, @event_type))
+    = semantic_form_for(@event_type, url: form_url) do |f|
       = f.input :title, input_html: { autofocus: true }
       = f.input :length, input_html: {size: 3, type: 'number', step: @event_type.program.schedule_interval, min: @event_type.program.schedule_interval}
-      = f.input :description
+      = f.input :description, as: :text, hint: markdown_hint, input_html: { rows: 5, data: { provide: 'markdown-editable' } }
       = f.input :minimum_abstract_length, input_html: {size: 3}
       = f.input :maximum_abstract_length, input_html: {size: 3}
       = f.input :color, input_html: { size: 6, type: 'color' }

app/views/admin/event_types/index.html.haml

@@ -20,7 +20,7 @@
             %td
               = event_type.title
             %td
-              = event_type.description
+              = markdown(event_type.description)
             %td
               = event_type.length
               Minutes

app/views/proposals/new.html.haml

@@ -7,7 +7,7 @@
     - if @program.cfp.description.present?
       .row
         .col-md-12
-          = markdown(@program.cfp.description)
+          = markdown(@program.cfp.description, escape_html=false)
   .row
     .col-md-12
       = render partial: 'encouragement_text'
@@ -43,10 +43,10 @@
 
               - @program.event_types.each do |event_type|
                 %span{ class: 'help-block event_event_type_id collapse', id: "#{event_type.id}-help" }
-                  = event_type.description
+                  = markdown(event_type.description)
 
               = f.input :abstract, required: true, input_html: { rows: 5, data: { provide: 'markdown-editable' } },
-                hint: markdown_hint('[Tips to improve your presentations.](http://blog.hubspot.com/blog/tabid/6307/bid/5975/10-Rules-to-Instantly-Improve-Your-Presentations.aspx)')
+                hint: markdown_hint
 
               %p
                 You have used