Removed import statements so that it work in production code that is minified.

https://github.com/Brackets-Themes/EasyDark/issues/1
https://github.com/Brackets-Themes/EasyDark/issues/2
https://github.com/Brackets-Themes/EasyDark/issues/3
Adjusting readme
Merge pull request #4 from Brackets-Themes/removed-imports

Removed imports