Initial commit, list of all predicate that we don't need a file predicate.
Adding non-handled predicates to the fact-generator.
Adding ignore predicate list to the import-generator program
Minor fixes to prevet the import-generator to produce some file predicates
Adding --ignore flag to the import-generation invocation
Minor fixes
Merge branch 'fixbuild' of github.com:plast-lab/llvm-datalog into fixbuild