Renamed german cookbook document to german name
Moved custom module example to the cookbook section
Merge branch '2.11' into 3.0
Updated readme to explain relative paths for images
Updated german manual to use relative links for images
Updated english manual to use relative links for images
Merge branch '2.11' into 3.0
Relative links for new files in the 3.0 manual
Merge branch '3.0' into 3.0-ja.
Catch up to d90fbb1368e1aa9a65a4397ff00d81ea20adb725.
Fix the line wrapping
Merge branch '3.0' into 3.0-ja.