Merge pull request #60 from keruseykaryu/master

Added some symbols proposed by Jakub Kakona in closed pull request #14
renamed (added 1EP)
added QFN, renamed DFN (added 1EP)
added QFN
Corrected some mistakes.
Corrected some mistakes.
Merge pull request #61 from michal777/master

added QFN 3D models, DFN renamed
Merge remote-tracking branch 'upstream/master'