Setup rspec.
Add TurbotPlugins::UrlHandler.

Currently has special handling for github.com urls.
All other urls simply print the page title.
Merge branch 'add_rspec'

Conflicts:
	Gemfile
	Gemfile.lock
	TurBot.yaml
Finish tests for gemsearch plugin.
Add tests for turbotinfo plugin.
Reformat test structure to include spec helper.

This helps clean up the individual plugin test files.  Note: We are not
loading all the plugins in the spec helper, you must require it in your
spec.
RSpec instead of Rspec. (Removes deprecation notice).

Also updated Gemfile.lock
Add tests for Meetup, incorporated VCR in the process.
Use VCR replacement string if ENV['MEETUP_API_KEY'] isn't set.
Use VCR replacement string for ENV var.
Merge branch 'master' of github.com:rondale-sc/turbot