Merge pull request #9 from labelcarrote/JonPotiron

Jon potiron
Merge remote-tracking branch 'origin/JonPotiron'
Parsedown: corrected empty li bug

empty li would result in an php error
Sawhat: corrected card files download

- Got image preview back in business (was broken since bootstrap3)
- Corrected zipfile link class to differentiate from image preview
- Added .zip in htaccess rule to allow .zip download
Sawhat: added multiple color scheme

- Separate css file in two parts (layout and color)
- Added config const to define default one
- Updated footer logic for a better looking template
Sawhat: added color scheme changer

FTW
Merge remote-tracking branch 'origin/master' into JonPotiron