Added parameter "-t dbonly" to backup.pl to only backup the database
    (if files are backed up otherwise).
Pick a random System ID
Use generated password as default instead of 'hot'
Small PerlTidy fixes.

Conflicts:
	Kernel/System/Cache/FileStorable.pm
Layout improvements
Generate a password for 'root@localhost' in web installer
Made URL look prettier on welcome page
Added Back button to database detail screen
Added support for specifying multiple groups.

Apart from this, the script now checks existence of groups before adding
and fails if one or more of the groups mentioned don't exist.
Also, the code has been slightly refactored.
Log Module configuration improvements.

 - Do not show Log Module configuration if SkipLogModule is set in installer.json.
   This is because the Log Module is defined in Config.pm on Windows, you can't
   actually override this setting in the Web Installer.
 - Hide LogFile field if Syslog is selectes as log module.
   Just to make it prettier..!
Proper i18n of Success message
Layout and HTML improvements
Follow-up for bug#9215 - Process import always creates new process.
    The overwrite optionwas removed again because of logical problems.
Small presentation improvements
all buttons to the right
Fixed broken process import.
Small accessibility fix.
More fixes for process import logic.
Fixed wrong Message parameter for NoPermission-Function.
Small accessibility fix.