Use path helper
Whitespace and comments

We had miss matched indentation and no comments what so ever
Cleaner text generation
Clean up display_ping

We used quite horrible way to generate the text for the html element
Clean up display_current_slide

Use new style hash and add a note about better handling of unknown slide status
Minor cleanup

Fix indentation, add comments, minor style changes
Whitespace and comments

Fix indentation and add comments
Whitespace and comments