[Tilesathome] Circumvent automatic svn checking

[Norbert Hoffmann]

Maarten Deen wrote:

>I've been told that putting --subversion /bin/true on the commandline disables 
>the checking. I haven't tried, but this would do fine. I agree that easy methods 
>of disabling this check are not wanted.

It would be better to put the changes for lowzoom rendering into svn. So
everyone trying would use identical parameters.

Norbert "btw Maarten: looks like your charset misses the Asian characters
(or aren't you rendering that far?)"