When saving warmup during optimization, also save the first sample.  Makes debugging easier.
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/write-init-during-opt
fixed generator to print value of expression instead of translation
Fix CSV output of matrices to be in column-major order, consistent with the header output..
give up on newton backtracking eventually
added error_checks for univariate continuous distribution RNGs
added error checks for univariate/discrete RNGs
added error checks for multivariate/continuous RNGs
added multivariate/discrete error_checks for RNGs
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/issue-180
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/issue-180
Merge branch 'develop' into feature/fix-csv-for-matrices
fixed error in normal distr
fixed neg_binom_rng
made function names reserved names with tests and doc
Fix CSV output of matrices to be in column-major order, consistent with the header output..
Additional unit testing for CSV output of matrices.
Merge branch 'feature/fix-csv-for-matrices' of https://github.com/stan-dev/stan into feature/fix-csv-for-matrices

Conflicts:
	src/test/io/csv_writer_test.cpp
updating display of error code in run_command()
updated run_command() to return an error code; updated all tests that use run_command()