pseudo_EM is not available for the moment
changes according to new definitions
changes according to new definitions
minor change
EPDTC added
minor change
new file
Merge branch 'params' of github.com:SheffieldML/GPy into params

Conflicts:
	GPy/models/gp_classification.py
	GPy/models/sparse_gp_classification.py
New file, special request.
Merge branch 'params' of github.com:SheffieldML/GPy into params
new test heteroscedastic noise model