updates to gitignore and gemspec
gemfile
Merge branch 'master' of https://github.com/sirsean/r509-middleware-validity

* 'master' of https://github.com/sirsean/r509-middleware-validity:
  Updated README.
  Using dependo in the middleware.
  Updated Gemfile with r509-validity-redis
  Supporting travis-ci.

Conflicts:
	Gemfile
	r509-middleware-validity.gemspec
Merge branch 'master' of https://github.com/sirsean/r509-middleware-validity

* 'master' of https://github.com/sirsean/r509-middleware-validity:
  Updated Gemfile because Travis needs to find the right r509 in Github.
  Updated more dependencies.
  Specified version of r509-validity-redis dependency.

Conflicts:
	Gemfile
	r509-middleware-validity.gemspec
Merge branch 'master' of https://github.com/sirsean/r509-middleware-validity

* 'master' of https://github.com/sirsean/r509-middleware-validity:
  Updated Gemfile because Travis needs to find the right r509 in Github.
  Updated more dependencies.
  Specified version of r509-validity-redis dependency.

Conflicts:
	Gemfile
	r509-middleware-validity.gemspec
Merge branch 'master' of github.com:reaperhulk/r509-middleware-validity

* 'master' of github.com:reaperhulk/r509-middleware-validity:

Conflicts:
	Gemfile
	r509-middleware-validity.gemspec
update version and dependencies
Merge pull request #4 from reaperhulk/master

0.9 compatibility