Make CFPQ_Data better. Again.

[gsvgit]

• Fix Replace GTgraph with networkx graph generator  #27
• Merge Tools refactoring #24
• Fix Fix and improve reference values #32
• Fix Add graph size information #20
• Fix Update synthetic graps #30
• Fix Establish releases #33
• Fix Add static code analysis cases #2
• Fix Add data from "Subgraph Queries by Context-free Grammars" #26