crescent data example is better organized
epsilon and power_ep now are parameters of update_likelihood.
Merge branch 'devel' of github.com:SheffieldML/GPy into devel
Merge pull request #80 from jamesmcm/devel

Devel
fixed three tests by being _slightly_ less stringeent about poositive-definiteness
Merge branch 'devel' of github.com:SheffieldML/GPy into devel
fixed a bug in Neil's otherwise tidy hetero kernel.
Please stop breaking this module
small change in crescent demo
Merge branch 'devel' of github.com:SheffieldML/GPy into devel

Conflicts:
	GPy/examples/classification.py
Removing unnecessary stuff...
sparse_gp_multioutput test added
Fixed more errors in docs