add Item doctype

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6832 85f94c43-f63a-0410-9d22-21439860c375
add Item doctype

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6833 85f94c43-f63a-0410-9d22-21439860c375
add Item doctype

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6834 85f94c43-f63a-0410-9d22-21439860c375