Fix initial password not resetting on first boot

Merge pull request #8 from RichDom2185/patch-wifi-password

Patch SSH security issue

Merge pull request #6 from RichDom2185/dev

Improve the out-of-the-box experience

Try different method of getting keys

Update for backend changes

Fix example in documentation

Update Sling

Update latest image link

Switch backend URL to production

Update Sling