Add asana dependencies
Clarify that dependencies should go in the gemspec

Since we're using a gemspec we shouldn't add dependencies in the
Gemfile but in the gemspec instead. The docs are a bit confusing
on this part.
Implement Asana service and specs
Starting to work on PR, tests still failing
Cleaning up service and spec
Removed logo, updated docs, added CONTRIBUTING.md
Rebuilding service_hooks.yml
Updating text, adding Rakefile to copy service_hooks to other projects
Switching to find_project
Compiling to yml
Changing order of entering info in config
Bumping gem version to include Asana service hook
One more version and build
Removing double quote mistakes
Removing service_hooks.yml artifact from source control
RSpec ivars -> let statements
Merge pull request #11 from crashlytics/feature/asana-integration

Adding Asana integration