Use SSLv3 to make requests to ssl endpoints

This should solve #8, although I can't explain exactly why. On a fresh deploy to Heroku I was seeing the following error prior to making this change:

```shell
[engine-light (master)]$ heroku run console
Running `console` attached to terminal... up, run.6996
Loading production environment (Rails 4.0.0)
irb(main):001:0> requester = Class.new{include Requester}.new
=> #<#<Class:0x007fa37a7530d0>:0x007fa37a752ec8>
irb(main):002:0> requester.get("https://jekit.codeforamerica.org/.well-known/status")
OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv2/v3 read server hello A: (null)
	from /app/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:918:in `connect'
	from /app/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:918:in `block in connect'
	from /app/vendor/ruby-2.0.0/lib/ruby/2.0.0/timeout.rb:66:in `timeout'
	from /app/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:918:in `connect'
	from /app/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:862:in `do_start'
	from /app/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:851:in `start'
	from /app/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:1367:in `request'
	from /app/vendor/bundle/ruby/2.0.0/gems/httparty-0.11.0/lib/httparty/request.rb:92:in `perform'
	from /app/vendor/bundle/ruby/2.0.0/gems/httparty-0.11.0/lib/httparty.rb:461:in `perform_request'
	from /app/vendor/bundle/ruby/2.0.0/gems/httparty-0.11.0/lib/httparty.rb:398:in `get'
	from /app/vendor/bundle/ruby/2.0.0/gems/httparty-0.11.0/lib/httparty.rb:493:in `get'
	from /app/lib/requester.rb:7:in `get'
	from (irb):2
	from /app/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/commands/console.rb:90:in `start'
	from /app/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/commands/console.rb:9:in `start'
	from /app/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:64:in `<top (required)>'
	from bin/rails:4:in `require'
	from bin/rails:4:in `<main>'irb(main):003:0>
```