fix deprecation warnings for RAILS_* constants
script, environment, and other infrastructure parts
- fix deprecated calls to RAILS_* constants
- upgrade routes.rb
- upgrade application.rb
- upgrade boot.rb
- upgrade environments files
- add initiliazers
- remove acts_as_paranoid plugin
upgrade to new activerecord finder syntax
upgrade form tags (adding = )"
remove pictures resource and upgrade form tag for settings#edit
upgrade to new actionmailer api using #deliver method
namespace for admin and management
request_uri method removed from request API
- rename view files with proper extensions
- add config.ru