release/v2.20.0: updating version numbers

.github/ISSUE_TEMPLATE.md

@@ -25,4 +25,4 @@ If this is a **feature request**, show what you expect to happen if the feature
 
 
 #### Current Version:
-v2.19.1
+v2.20.0

RELEASE-NOTES.txt

@@ -1,6 +1,32 @@
 Stan Math Library Release Notes
+
+======================================================================
+v2.19.2 (18 July 2019)
 ======================================================================
 
+New Features
+------------
+- OpenCL rectangular matrix multiply optimization (#1196)
+- Change name of opencl `copy` function (#1217)
+- Add better doc for all traits (#377)
+- Math repo runs tests on Windows (#951)
+
+Bug Fixes
+---------
+- Length 0 checks should come after checking for mismatched sizes (#336)
+- abs(real) translates to C++ but fails to compile (#907)
+- prim/mat/meta/is_vector_like.hpp weirdness through check_finite.hpp (#79)
+- Clang 4.0.0 fails tests that _should_ fail already (#561)
+
+
+Other
+-----
+- Fix code style in stan/math/rev/mat/fun/multiply.hpp (#598)
+- Remove unnecessary using statements from vectorized functions (#426)
+- factor size zero tests into variadic function (#589)
+- Update cholesky_decompose to use inplace decomposition per Eigen 3.3 (#359)
+
+
 v2.19.1 (18 Apr 2019)
 ======================================================================
 

doxygen/doxygen.cfg

@@ -38,7 +38,7 @@ PROJECT_NAME           = "Stan Math Library"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2.19.1
+PROJECT_NUMBER         = 2.20.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

stan/math/version.hpp

@@ -12,8 +12,8 @@
 #endif
 
 #define STAN_MATH_MAJOR 2
-#define STAN_MATH_MINOR 19
-#define STAN_MATH_PATCH 1
+#define STAN_MATH_MINOR 20
+#define STAN_MATH_PATCH 0
 
 namespace stan {
 namespace math {