Plik 1.0 RC-3

Hi,

Tonight, we're releasing Plik 1.0 RC3 !

New :
- New bash uploading client
- Show md5 and content type on frontend
- Add some examples in config file
- Functionnal tests for server
- Better progress bars and display in cli client
- Improved CSS responsiveness
- Free wallpaper
- Better yubikey handling on backend (yubigo)

Bug fixes :
- Remove uploads when no files available
- File size display on frontend (was using wrong base)
- Do not show Upload token except in create handler
- Fix some wrong http return codes in API

Security :
- Limit body size to 1M on POST /upload

Code refactor :
- Move client args parsing from main to config