Moved code to helpers-gem
Load slides helper from helpers gem
Add command to export presentation to zip file
Change config of zip
Add template and refactor export
Fix feature tests
Changed step definitions
Strip file extension from path
Consider assets required by frontend components
Fixed through step which deletes Gemfile and Gemfile.lock
Better name for method
Stylesheets do not need be available as separate file
Fixed spec
Fix use of frontend components
Fixed feature tests
Update software