fix, PEBKAC, initialise rbm with all weights, biasses and the header

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'fix/rbm'

* fix/rbm:
  fix, PEBKAC, initialise rbm with all weights, biasses and the header
hygiene, kick routines marked with __attribute__((unused))

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, support binary (binomial) input neurons

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
revert, put Salakhutdinov training (Poisson neurons) in place in rbm(1) again

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'feat/binom-input'

* feat/binom-input:
  revert, put Salakhutdinov training (Poisson neurons) in place in rbm(1) again
  minor, support binary (binomial) input neurons
  hygiene, kick routines marked with __attribute__((unused))