include misc.h

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6924 85f94c43-f63a-0410-9d22-21439860c375
clean up warning messages

git-svn-id: http://fritzing.googlecode.com/svn/trunk@6925 85f94c43-f63a-0410-9d22-21439860c375