This allow to try to not use ssl if the key file path or the certificate file are broken. The files might be missing because the user intentionally removed them but didn't update the settings first. In that situation, this change won't make the app crash, the warning is logged and that way the user has the chance to update the settings.
Gdrive cleared interface (drive variable)
refactored web -> reverseproxy outsourced, edit_books split, removed unused md5 function
rearanged imports
added Wand and pytz Version info to stats Page
Certificate files are rejected if not both files are provided
Server shuts down controlled after pressing crtl+c
Logfile location is better checked
improvements for better testing (added ids and name in templates)
Unified wording Calibre-Web
Replaced one table on admin page, deleted password column
Removed spaces on layout page
Removed uesless commit calls during db migration
Implementation of registering by email
-Refactoring gdrive and file handling
-Improved error handling for gdrive
-bugfix "gdrive stopping after a while"
- Renaming book title working
- Still Bugs in upload file to gdrive and renaming author
