beginning schematic subpart architecture

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6934 85f94c43-f63a-0410-9d22-21439860c375
add item to bom

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6935 85f94c43-f63a-0410-9d22-21439860c375