Add a version of test8schools.R
Require Cython 0.19 or greater rather than 0.19.1

Cython 0.19 is packaged in Ubuntu 13.14.
Add more methods for stanfit
Allow parameters to be specified in summary method
BUG: Don't overwrite the control dictionary passed by the user
Fix handling of array parameters and add test
Version 2.0.0.1
Merge branch 'feature/2.0.0.1' into develop