Merge pull request #6 from duncandc/master

session 8 directory and notebook
Add biased coin example from Sivia textbook
added @eteq's gaussian likelihood/priors stuff
removed some junk
Merge pull request #7 from jfoster17/master

Add biased coin example from Sivia textbook
Expand the biased coin example a little bit to illustrate benefit of prior and eliminate roundoff problem
Merge pull request #8 from jfoster17/master

Expand the biased coin example a little bit
Add small-N estimate of Gaussian properties
Add real-world example of estimating sigma_0
Add Cauchy/lighthouse example
Merge pull request #9 from jfoster17/master

Add some example Bayesian problems
Add Odds/model selection section
Finish Odds discussion
Merge pull request #10 from jfoster17/master

Add discussion of Bayesian odds factor and model selection
Add figure
Merge pull request #11 from jfoster17/master

Add figure
Session10
Merge pull request #12 from jcmoriar/master

Session10
Ran this notebook locally.
overwrote local changes