Script to upload multiple csvs.
add www to url.
use https.

Old versions of curl may complain about CA certificates. Let's see what happens.
Merge pull request #322 from MastodonC/feature/multi-csv-upload-script

Script to upload multiple csvs.
Some backup related scripts for hecuba
Merge pull request #323 from MastodonC/feature/cassy-backup-scripts

Some backup related scripts for hecuba
Improvements to devices UI

- Always show add btn & parse lang and lat.
- Don't overwrite metadata and location on devices when encoding devices
  in k.h.d.
- Allow to add a sensor when adding device.
- Don't clear forms when alert pops up.