refactor createNavigationButtons to loop directly through the data object rather than creating an array first
wip refactoring and adding handlebars
Merge branch 'master' of https://github.com/BustinBash/BustinBash into lesson-refactor
add handlebar for lesson rendering, clean up for in loop concerning data being passed to handlebars
Merge pull request #42 from BustinBash/lesson-refactor

Lesson refactor