stan v2.12.0

v2.12.0 (6 September 2016) New Team Members

• Charles Margossian (Metrum Research Group, LLC) -- diff eq models

• Normalization for lower truncated discrete distributions is off by one (#2054)

• updated the math library to deal with g++6 errors (math#348, math#345, math#327)
• fixed issue with 1:0 indexing in array slicing producing huge size (#1960)
• allow variables to be named the same as unary functions (#1459)
• distributions without cumulative distribution functions are now prevented from being used in truncation (#2052)
• allow user-defined lpdf functions to be used in target += expressions (#1944)
• fixed duplicate function warning message (#1946)
• fixed ternary operator generating C++ code that doesn't compile (#2044)

• added mdivide_left_spd() and mdivide_right_spd() to the language (#2016)
• added cov_exp_quad() to the language (#1957)
• added break and continue statements to the language (#1756)
• added append_row() and append_col() to the language (#1347)
• updated error message for missing | when using probability functions (#2003)
• updated parser/warning errors for new syntax (#1940)

• updated Travis CI config (#2033)
• fixed segfault in lang test with g++-5.4 (#2030)
• make clean-all cleans CVODES binaries (#2012)