if an order was removed, the imagelineitems and servicelineitems are gone now too.
back end: fixes missing translation keys on order page
added display of create and modified date for orders in back end.
fixed wrong closing tag.
fixes issue with Picasa images in portrait format on Ajax List and single image page.
docu update
- methods can now output some additional information about themselfs.
- reworked some plugins

fixes #27
Confirmation Mail Subject is not longer hard coded.

fixes #26
added missing keys for confirmation mail subject.