style: switch to usage of indentation with "tab" character
chore(package.json): change description and keywords
fix(grunt task): build all the files under grunt"build" task, not only the last one
test: apply tests from https://github.com/karma-runner/karma-commonjs/pull/22
fix: test now work as they should
feat: apply support of index.js for folder modules from https://github.com/karma-runner/karma-commonjs/pull/22