Added an english translation of the website. * website/about.htm4, website/buildhtml.mk, website/contact-de.htm4, website/contact.htm4, website/development-de.htm4, website/development.htm4, website/donate-de.htm4, website/donate.htm4, website/download.htm4, website/img/funktionsweise-MXD2map-de.png, website/index.htm4, website/license-de.htm4, website/license.htm4, website/template_header.m4, website/img/funktionsweise-MXD2map.png, website/img/funktionsweise-MXD2map_small.png, doku/funktionsweise/funktionsweise-MXD-konverter.svg, website/img/funktionsweise-MXD-konverter.png, website/img/funktionsweise-MXD-konverter_small.png: English translation of the website. Added a new Makefile-Target 'images' to get the dokumentation-images into the site.

#### Log just errors and warnings to a file.
log4j.rootLogger=DEBUG, MXD, Console

log4j.appender.MXD=org.apache.log4j.RollingFileAppender
log4j.appender.MXD.File=./logs/console-client.log
log4j.appender.MXD.MaxFileSize=5000KB
log4j.appender.MXD.MaxBackupIndex=1
log4j.appender.MXD.layout=org.apache.log4j.PatternLayout
log4j.appender.MXD.layout.ConversionPattern=%d [%t] %-5p %c - %m%n

#log4j.rootLogger=WARN, Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Threshold=INFO
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p %c - %m%n