Update definition of tree depth
Bumped the number of parameters to skip to take into account new NUTS diagnostic
Merge branch 'feature/issue_296' into develop
reducing memory requirement for src/test/unit/memory/stack_alloc_test.cpp for Windows
clarify model block variable locality

Something like this could be a helpful clarification -- I realize it's explained elsewhere, but "variable scope" in the "program blocks" chapter seems like a reasonable place to find this information.
Merge pull request #525 from dchudz/patch-1

Thanks --- we'll take feedback however we can get it.  This is a helpful change, so I'm merging it now.
Merge branch 'develop' into feature/issue-427