FindBZip2

Try to find BZip2

Once done this will define

BZIP2_FOUND - system has BZip2
BZIP2_INCLUDE_DIR - the BZip2 include directory
BZIP2_LIBRARIES - Link these to use BZip2
BZIP2_NEED_PREFIX - this is set if the functions are prefixed with BZ2_
BZIP2_VERSION_STRING - the version of BZip2 found (since CMake 2.8.8)