renamed eav_setup to catalog_setup
formatting 
add attribute to mark exported orders
removed debug changes from config.xml
create customer attribute to save goods cloud customer id
model to export orders via "cron" (maybe later called from controller)
fixed naming
refactored get method and added constants for magic numbers
implemented generic getOneBy method and refactored getById()
created classes for consumer
refactored getLanguage to be able to pass a store id only
the cron should call export orders
fix self referencing constant
method to find consumers by mail and create them
export orders and start with customer
export customer when no customer exists
moved data building code for customer export into api class