Merge branch 'jekyll' into production

Conflicts:
	api/wrappers/php/Kendo/UI/DropDownList.md
	api/wrappers/php/Kendo/UI/Scheduler.md
	bladetoc.xml
Remove the publish attribute from the front matter.
Remove the tags attribute from the front matter.
Remove the slug attribute from the front matter.
Replace title with nav_title.
Replace meta_title with title.
Rename meta_description to description.