Changed the dimensions of the windows.
Larger JTextField in step 1
"Signaling molecules" instead of "source molecule" in step 3
Now in step 3, if in a file we put an EntrezGeneID and it is not found in the nodes, the program look for its corresponding UniprotID. The same goes for a UniprotID not found.
Merge branch 'ThomasBrunelBranch' into ThomasBrunel

Conflicts:
	ProjetCytoscape/src/main/java/de/bioquant/cytoscape/pidfileconverter/FileReader/SubgraphExtraction.java