Merge branch 'master' of /home/mk/source/git/swisdk2/swisdk
* 'master' of /home/mk/source/git/swisdk2/swisdk:
Change _suffix to %suffix in create-skeleton.sh script
Fix Builder with DBObjectML in LANGUAGE_ALL mode
dbo_slugify_title works with DBObjectML too
DBObjectML: Added translation_by_key function
DBObjectML: Clone contained object too
Added swisdk_libraries_html tag in picker template
Added DBObject::find_or_create
Add and use s_array helper
Change EmailMessage header composition
swisdk.box template does not need jQuery