use emcee sampler. First attempt
commentout automatic plotting for debug
version bump
add emcee requirement
force travis to install emcee
version bump
use configuration variables to set burn period, thinning and N iterations
check mean values instead of N iterations
add printout
use same list to avoid scrambling variables order
update test script
compare nuisance parameter posteriors with normal distribution
update progress bar from emcee sampler
use png instead of eps (compression for large samples)
move emcee sampling in dedicated file and add option to switch between emcee and pymc sampling (default is pymc)
add emcee test
Merge pull request #57 from gerbaudo/emcee

Emcee