title: rake db:create the error
body: <p>give me solution for this 
  when i'm running  rake db:create
  it is showing warning like these  </p>
  
  <pre><code>DEPRECATION WARNING: railtie_name is deprecated and has no effect. (called from &lt;class:Engine&gt; at /home/shajin/.rvm/gems/ruby-1.9.2-p0/bundler/gems/spree_paypal_express-073f2f814dd8/lib/spree_paypal_express.rb:5)
  WARNING: 'require 'rake/rdoctask'' is deprecated.  Please use 'require 'rdoc/task' (in RDoc 2.4.2+)' instead.
      at /home/shajin/.rvm/gems/ruby-1.9.2-p0/gems/rake-0.9.2.2/lib/rake/rdoctask.rb
  WARNING: Global access to Rake DSL methods is deprecated.  Please include
      ...  Rake::DSL into classes and modules which use the Rake DSL methods.
  WARNING: DSL method Soletronspree::Application#task called at /home/shajin/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.7/lib/rails/application.rb:215:in `initialize_tasks'
  WARNING: 'task :t, arg, :needs =&gt; [deps]' is deprecated.  Please use 'task :t, [args] =&gt; [deps]' instead.
      at /home/shajin/.rvm/gems/ruby-1.9.2-p0/gems/deface-0.5.2a/tasks/deface.rake:3:in `block in &lt;top (required)&gt;'
  soletronspree_test already exists
  soletronspree_development already exists
  </code></pre>