Merge pull request #73 from willp240/statsum_constraints

Abstract many BinnedNLLH Functionality to the TestStatistic Base Class

Merge pull request #50 from willp240/formatting

Formatting

Merge pull request #34 from dcookman/refactor_shift_systematic

Refactor Shift for efficiency

Merge pull request #17 from snoplus/dcookman-readme-update

Update README.md

Merge pull request #15 from dcookman/hmc-more-flags

Set C++11 standard & Add compiler warning flags -- For HMC

Merge pull request #1 from BillyLiggins/gridAndSimpleExampleFix

Fix to grid search and updated examples/simpleFit.cpp.