(Binary Clone Detection) Save similarity threshold in the database

The projects/BinaryCloneDetection/findClones will save its -t
value in the run_parameters table of the database.
(Binary Simulator) Clone detection improvements

* Added starting value for "--nfuzz" switch in order to skip
  previous fuzz tests even if not all specimens were tested.

* Improved the code to save function information because it was
  timing out in sqlite3x when run with too much parallelism.
(Binary Simulator) Finer-grained parallelism for clone detection

Parallelism in the analyze-clones shell script was previously at
the level of a specimen; now its at the level of a fuzz test input.
In other words, if you run one specimen having 500 functions
with 10 inputs per function then you can get a parallelism of 10.