Added possibility to set new aps to disabled by default 2

Update for ispconfig/ispconfig3!552

See merge request !558

context corrected



See merge request !560

fixes dontlog vulnerability

this fixes #4585

See merge request !559

This reverts commit dbec32fa

Update apache_ispconfig.vhost.master

error corrected

See merge request !539

webdav improved

a) Removes any handler inside webdav directory.

b) Removes any index, such as index.html, index.php, so that the AutoIndexes are shown properly.

c) Removes the dependency for apache module auth_compat if Apache version is greater than 2.2

See merge request !555

Add Devuan basic support

This merge request adds a basic support for Devuan (www.devuan.org)

See merge request !553

Certbot dir

this allows **certbot** to clean **.well-known/** and stops serving **emtpy.dir** file in all vhosts

See merge request !546

2007-2017 in LICENSE file



See merge request !550

unused index.htm with security vulnerability

the file **interface/index.htm** is unused, and in case someone is using ```interface/``` as **DocumentRoot**, then that someone would expose ```interface/ssl/ssl/ispserver.key```

See merge request !549

improved ftp regex for shorter directory

for example: **/www/0/1** this directory throws **directory_error_regex**, that's why **7**

See merge request !545

Seo redirects

seo redirects improved, specially **'*_domain_tld_to_www_domain_tld'** and includes !543

See merge request !544

Server alias

before:
```
ServerAlias domain
      ServerAlias alias0
      ServerAlias alias1
```
after (8 alias per line example):
```
ServerAlias www.kljsf.com kljsf.com www.kjdf.org kjdf.org www.klsdjf.put klsdjf.put www.skdf.jak skdf.jak
ServerAlias www.abc.com abc.com www.bca.com bca.com www.ksd.com ksd.com www.lkjas.com lkjas.com
ServerAlias www.kak.com kak.com www.skdf.jaku skdf.jaku www.klsjdf.jks klsjdf.jks www.lksdjf.kj lksdjf.kj
ServerAlias www.lkdj.kjdf lkdj.kjdf www.klsdjf.jksdf klsdjf.jksdf www.hjd.hja hjd.hja www.lksjdf.ujk lksjdf.ujk
ServerAlias www.lksjdfl.lskdjf lksjdfl.lskdjf www.kjsdlkfj.sdfj kjsdlkfj.sdfj www.lksdjf.sdkf lksdjf.sdkf www.kjflksjf.ksdfl kjflksjf.ksdfl
ServerAlias www.lskdjf.ksdf lskdjf.ksdf www.lksjdf.lksjdf lksjdf.lksjdf www.kjhf.ksjdf kjhf.ksjdf
```

See merge request !543