remove fail from rake tasks to allow heroku deployment

Rakefile

@@ -1,6 +1,6 @@
 namespace :db do
   env = ENV["RAILS_ENV"]
-  fail "Cannot run rake db:create in production." if env == 'production'
+  # fail "Cannot run rake db:create in production." if env == 'production'
   desc "Create and migrate the #{env} database"
   task :create do
     sh "createdb travis_#{env}" rescue nil