Add size_type to LDLT_factor.
rstan, check if the list is named for specifying inital values
Merge pull request #48 from mbrubake/master

Fixes issue #46
splitting function_signatures_student_t_*.stan to allow windows to build it at O=3
Merge pull request #50 from maverickg/master

rstan, check if the list is named for specifying inital values
Merge pull request #53 from syclik/win_unit_tests

Spliting function signature tests for student t; allows Windows to build at O=3
Merge branch 'master' of git://github.com/stan-dev/stan into pystan