use new .ruby-(version|gemset) file format for RVM
ignore bundler artifacts
filter vendor files, update block syntax
Merge pull request #28 from phlipper/project-cleanup

Project Cleanup
drop attr_accessible in favor of strong_parameters
add support for background mailer compatibility

* fixes #18
Merge pull request #29 from phlipper/background-mailer-compat

Background Mailer Compatibility
explicitly require dependencies:

* this prevents the need to have strong_parameters
  listed in the Gemfile even though it comes along
  as a dependency with this gem.
Merge pull request #30 from phlipper/require-dependencies

explicitly require dependencies:
use signed cookies directly vs. accessing session:

* this addresses an issue where certain session
  stores would not logout properly via the
  `reset_session` call.
Merge pull request #31 from phlipper/move-sessions-to-cookies

use signed cookies directly vs. accessing session:
bump version to 0.5.0