added a multithreaded version of compose_mod_brent_kung_vec_preinv
added multithreaded versions of precompute_matrix and compose_mod_brent_kung_precomp_preinv
added a multithreaded version of Kaltofen Shoup distinct degree factorization
updated docu
renamed arguments to worker functions
use multithreaded version of distinct degree factorization if multiple threads are available
fixed a missing init to zero
added a multithreaded version of compose_mod_brent_kung_vec_preinv
for nmod_poly
added multithreaded versions of precompute_matrix and compose_mod_brent_kung_precomp_preinv
for nmod_poly
added a multithreaded version of Kaltofen Shoup distinct degree factorization
for nmod_poly
use multithreaded version of distinct degree factorization if multiple threads are available
in nmod_poly_factor
added a missing declaration
updated docu for new nmod_poly functions
added missing declaration
better docu of factor_kaltofen_shoup
use a randomized number of threads for testing
Merge remote-tracking branch 'martin/threaded' into trunk