cryfs-0.9.9-bp150.2.4

- Some spec file tweaks, based on Malcoms test build of cryfs

- Use -c switch in %setup to create the source dir before unpacking
  the original tarball.

- Update to upstream version 0.9.9

- add a minimum version required

- use unversioned boost library.

- use boost version 1_58

- Initial commit