Merge branch 'develop' of https://github.com/stan-dev/stan into develop
Merge branch 'develop' of https://github.com/stan-dev/stan into develop
fixes issue 104 -- rep_matrix, rep_vector, rep_row_vector with int replicants
changes to functions for issue 104
Merge pull request #106 from stan-dev/feature/issue-104-rep-vector-int-arg

Feature/issue 104 rep vector int arg
Fixes #104.