Stop using deprecated rvm format, use Gemfile.
Past Talks Page
Updated oldest date to beginning of month
Moved Past Talks link location inside of Talks
Added tests for past talks
Merge pull request #47 from TLynam/past

Show past talks. Closes #29
Installed strong parameters gem and converted controllers in preparation for Rails 4.
Merge remote-tracking branch 'upstream/master' into specify-ruby-version-in-gemfile

Conflicts:
	.rvmrc
Merge pull request #42 from phiggins/specify-ruby-version-in-gemfile

Stop using deprecated rvm format, use Gemfile.
- Fixed Gemfile for bundler 1.0.7
Merge pull request #48 from kylerippey/strong_parameters

Installed strong parameters gem and converted controllers