Python-tlsh

- skipped

- Added the BlackHat Asia tool (presented at Arsenal)

- Fixed the error in the Python extension

- Added the - force option
- Allows a user to force the generation of digests for strings down to 50 characters long

- Pick up Jeremy Bobbios patches for:
- Build shared library (libtlsh.so), in addition to static library, on Linux and have tlsh_unittest link to it.
- Remove TlshImpl symbols from libtlsh.so
- Add Tlsh_init to py_ext/tlshmodule.cpp, which ensures Tlsh constructor will be called from Tlsh python module
- Create symbolic link for tlsh -> tlsh_unittest

- Specify Tlsh::getHash() is a const method