added GraphPanel to GUI-Prototype
added GraphPanel to MainGUI
added EdgeFormat and VertexFormatClass
Merge branch 'master' of https://github.com/bergs13/ch.bfh.bti7301.hs13.team1.graphviewer.git into menzs2
added EdgeFormat and VertexFormatClass
worked on EdgeFormat and VertexFormatClass
worked on EdgeFormat and VertexFormatClass
worked on EdgeFormat and VertexFormatClass
worked on EdgeFormat and VertexFormatClass
Merge graphviewer/master into menzs2
worked on EdgeFormat and VertexFormatClass
worked on EdgeFormat and VertexFormatClass
worked on EdgeFormat and VertexFormatClass
worked on EdgeFormat and VertexFormatClass
Edgeformat and Vertexformat
worked on EdgeFormat and VertexFormatClass
Merge graphviewer/master