- Removed Test folder in favour of rspec

[sidpub]

• Removed all docker setup
• Removed jRuby Dependency on Gemfile
• Removed dummy user setup function from application controller
• Added Coverage and Database Cleander for RSpec
• Added Rubocop file for Linting
• Cleaned up setup instructions for Gate on ReadME File

[so0k]

@tagnotfound / @ajeygore - any explanation for removing all Docker?