Fix for new users created
Fix for options to the calibre-converter
Only the first 300 chars are logged for the emailbody (spamming of logfile is prevented)
Added class to "Random" header
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
Metadata.db download works again
removed DEVELOPMENT constant
removed db logging in debug mode (too, noisy, to less information)
code refactoring url_for_other_page
feed languge set to en-EN
update status shos local time instead of UTC
Error handling (back to index page) in case of gdrive authenticate aborted
Mistyping page register fixed
Mistyping bokk fixed
Added uploaded books to tasklist (#442)
Error handling for failed file update added
Code refactoring worker thread
Tasks now never show any decimal values
Converter function unified
removed shell from subprocess call
preparation for limiting domain for registering emails
Book series can now increased in 0.1 steps (#562)
Accordion panels in config are now usable on touch devices like iPad (#545)
Gdrive authenticate button only visible after logged in (#525)
Fixed misstyping in german translation
