Starting post-2.3.1b; require cmake 2.8.12.

pub/CHANGELOG

+Release 2.3.1c
+
+- Updated dependence:
+  - now requires cmake 2.8.12 (older version were untested)
+  
 Release 2.3.1b of 22sep15
 
 - Improved functionality:
   - error estimates in 'mpa' and 'mpaf'
-  - delta fit: allow extrapolation of resolution function by zeros	
+  - delta fit: allow extrapolation of resolution function by zeros
 - Code cleanup:
   - revised Find<Package>.cmake modules
 

pub/CMakeLists.txt

-cmake_minimum_required(VERSION 2.8.3 FATAL_ERROR)
+cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
 
 # path for additional cmake modules ---
 set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
@@ -11,7 +11,7 @@ project(Frida)
 
 # --- The version number ---
 
-set(Frida_VERSION 2.3.1b)
+set(Frida_VERSION post-2.3.1b)
 
 # --- General project settings ---
 #option(FRIDA_PYTHON "Build with python support" ON)