Merge branch 'release/0.5.1' into develop

* release/0.5.1:
  bump version.
Remove all gem files; turning into wrapper app.
Add tubemp gem
Introduce rackup file.
Add Capistrano for deployment.
`capify`.
deploy.rb from e835042
Not using Rails, clean up Capfile.
Merge branch 'feature/site' into develop

* feature/site:
  Not using Rails, clean up Capfile.
  deploy.rb from e835042
  `capify`.
  Add Capistrano for deployment.
  Introduce rackup file.
  Add tubemp gem
  Remove all gem files; turning into wrapper app.
Require via bundler
README to link to tubemp repo.
Merge branch 'release/0.6.0'

* release/0.6.0:
  README to link to tubemp repo.
  Require via bundler
  Not using Rails, clean up Capfile.
  deploy.rb from e835042
  `capify`.
  Add Capistrano for deployment.
  Introduce rackup file.
  Add tubemp gem
  Remove all gem files; turning into wrapper app.