On branch strong-params

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I'll pull to catch up after this commit
Change code to whitelist params
Remove attr_accessible lines
Add strong_params to Gemfile, since this branch is still on Rails 3
Mixin to ActiveRecord::Base ActiveModel::ForbiddenAttributesProtection
Use an initializer for the mixin

app/controllers/schedule_controller.rb

@@ -4,7 +4,7 @@ class ScheduleController < ApplicationController
     message = false
 
       if params[:schedule][:event_type] == "pto"
-        sched = Schedule.new(params[:schedule])
+        sched = Schedule.new(schedule_params)
         sched.date_begin, sched.date_end = format_schedule_date(params[:date_range1])
         sched.user_id = current_user.user_id
         a = sched.date_end
@@ -56,4 +56,10 @@ class ScheduleController < ApplicationController
    end
      return vals
   end
+
+  private
+
+  def schedule_params
+    params.require(:schedule).permit(:date_begin, :date_end, :event_desc, :event_name, :event_type)
+  end
 end