Fixed the loading order of an app's dependencies.

If we load apps first, libraries won't be there, hence throwing
exceptions at run time.
For example, this can be reproduced with any library that needs to be registered like ScssInitialiazer.
See #1448#issuecomment-26143346

Apps not being loaded at the last point makes things like libraries

padrino-core/lib/padrino-core/loader.rb

@@ -211,12 +211,12 @@ def load_paths_was
 
     def dependency_paths_was
       @_dependency_paths_was ||= [
-        "#{root}/config/apps.rb",
         "#{root}/config/database.rb",
         "#{root}/lib/**/*.rb",
         "#{root}/models/**/*.rb",
         "#{root}/shared/lib/**/*.rb",
         "#{root}/shared/models/**/*.rb",
+        "#{root}/config/apps.rb"
       ].freeze
     end
   end