fab quote: deal with disconnected network

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6981 85f94c43-f63a-0410-9d22-21439860c375
view from below tweak

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6982 85f94c43-f63a-0410-9d22-21439860c375
fab quote tweak

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6983 85f94c43-f63a-0410-9d22-21439860c375