publishing process

* publisher added
* resolve link and image references
* job type added
* job for publishing added
publishing process

* sort page-publishing order
* refine public pages/files regex
* job to publish all public pages
* lazy media copy to reduce publishing time and data overhead
* fileinfo() method for wiki added
catalog generation

* template for wp added
* naming conventions like urls, abbreviations, wiki pages
* catalog generator added
* example data for SE added
* license template added (MIT)
catalog generation

* move parts to the wiki
* enhance output
* contact handling added
catalog generation

* define releases
* fix certain auto variables
* fix nice owners
* list_all_meta_pages added
* collect meta pages of released SEs and process them
* limit public pages to released SEs
* fix naming conventions, new convention for SE wiki namespace
* SE cockpit can use the SE meta data too
fix public pages in publish job
work on catalog, refactoring, prepare json schema validation
catalog generation

* template fix
* additional None tests
* refactoring, cleanup
* updating submodule jsonschema
* fix for basic SE meta json schema
* json schema validation added to SE meta processing
job for catalog generation