Brief Summary of Changes

• Remove redundant package.json files and move components to be in the same folder
• Update files containing jsx to have a .jsx extension
• Move functions not using the "this" keyword from components to utils
• Combine all utils in a single file and remove cloudinaryCoreUtils.js
• Fix code style
• Add test:lint to the general test script

What does this PR address?

Refactoring
Adds more tests