updating dom_err and dom_err_vec; individual unit tests pass; this does not pass all tests
updated all check function calls in error_handling/scalar
updated all check function calls in error_handling/matrix
updating all error handling
removing unused cpp file
updating stan/agrad/rev/error_handling
updating includes
tests pass
changed char* to std::string&
removed include to boost format
making tests more consistent
removed commented lines
updating header includes
changed constructor for static strings
replaced 'while(' with 'while ('
changed includes to use angle brackets
moving test models to  and
Merge pull request #1120 from stan-dev/feature/issue-1016-rearrange-test-models

moving test-models subdirectories to good and bad
Merge pull request #1112 from stan-dev/feature/issue-1103-remove-boost-format

Fixes #1103. Feature/issue 1103 remove boost format
Merge branch 'develop' into bugfix/issue-1121-multivariate-error