Detailed information on adaptation and HMC arguments
Handle case when cubic interpolation overflows in BFGS zoom function.  Fixes infinte loop on eight_schools model.
Remove extraneous s
Merge pull request #206 from stan-dev/feature/improve_hmc_doc

Detailed information on adaptation and HMC arguments
Merge pull request #224 from stan-dev/feature/issue-217

Fixes #217.
Fix infinte loop on eight_schools model
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/parser_error_reporting
Merged develop and added gtest-1.7.0