Dots in a filenames fix
Fixed problems with a dots in a filenames
fix for autoloader while user logged in and system is in maintenance
use legacyDecrypt to decrypt key file like the previous files_encryption
fix re-encrypt legacy files
fix legacy key in until test
normalize path to prevent following split to fail
Merge branch 'master' into files_encryption_upgrade_fix

Conflicts:
	apps/files_encryption/lib/util.php
Merge branch 'master' into files_encryption_upgrade_fix

Conflicts:
	apps/files_encryption/appinfo/app.php
cleanup unused method legacyKeyRecryptKeyfile
Update mapper.php

Now slugify is performed on whole filename (including extension). Changed method of adding index number (using regular expressions pathinfo() method removed).
Update mapper.php
introduce and use executeAudited in db.php
clean up usage of DatabaseSetupException and catch Exceptions in entrypoints
remove duplicate logging from db.php, now happens in entrypoints
fix fetchRow checks to also work with MDB2
make sure that only one process can enter the migration mode
use constants for different migration status
darker low threshold color for file size and age fading, better contrast
better contrast for files list, darker greys for selection and hover