Correctly escape values when updating autoconf.php. (closes #215)

The responsibility to correctly escape database, hostname, username, password and timezone has been moved to write_config_file.
Merge pull request #220 from ServiusHack/issue/215

Correctly escape values when updating autoconf.php. (closes #215)
bump version
Merge pull request #225 from kevinpapst/version

bump version
fixed file checks before updater starts
Merge pull request #227 from kevinpapst/fixes/updater

fixed file checks before updater starts
fixed the search of selectboxes
fixed search of selectboxes again
Merge pull request #231 from Sorato95/master

fixed the search of selectboxes