removed crut
removed dead commented code
added test of gmix simple
some docs
Merge branch 'master' into refactor1
added getting P,Q,R from BA
use vectoral capabilities
Merge branch 'refactor1' of github.com:esheldon/gmix_image into refactor1
getting pqr going
implemented gprior from BA that is twice differentiable at  g=0
working on BAfit
more on ba method
added  likelihood only option
added Fs2n and divide by psum for after prior
analytical expression for derivatives
refactored pqr stuff
increased to 40
adding quick coellip mcmc
Merge branch 'refactor1' of github.com:esheldon/gmix_image into refactor1
quick coellip implement