Require cmake>=3.1

Plus some other build-related changes. I don't think there is anything
functionally different from 1.7.7, or even any binary incompatibilities, but
the cmake change is significant.

Author: cdunn2001

CMakeLists.txt

@@ -59,7 +59,7 @@ ENDMACRO()
 #SET( JSONCPP_VERSION_MAJOR X )
 #SET( JSONCPP_VERSION_MINOR Y )
 #SET( JSONCPP_VERSION_PATCH Z )
-SET( JSONCPP_VERSION 1.7.7 )
+SET( JSONCPP_VERSION 1.8.0 )
 jsoncpp_parse_version( ${JSONCPP_VERSION} JSONCPP_VERSION )
 #IF(NOT JSONCPP_VERSION_FOUND)
 #    MESSAGE(FATAL_ERROR "Failed to parse version string properly. Expect X.Y.Z")

include/json/version.h

@@ -3,10 +3,10 @@
 #ifndef JSON_VERSION_H_INCLUDED
 # define JSON_VERSION_H_INCLUDED
 
-# define JSONCPP_VERSION_STRING "1.7.7"
+# define JSONCPP_VERSION_STRING "1.8.0"
 # define JSONCPP_VERSION_MAJOR 1
-# define JSONCPP_VERSION_MINOR 7
-# define JSONCPP_VERSION_PATCH 7
+# define JSONCPP_VERSION_MINOR 8
+# define JSONCPP_VERSION_PATCH 0
 # define JSONCPP_VERSION_QUALIFIER
 # define JSONCPP_VERSION_HEXA ((JSONCPP_VERSION_MAJOR << 24) | (JSONCPP_VERSION_MINOR << 16) | (JSONCPP_VERSION_PATCH << 8))
 

version

@@ -1 +1 @@
-1.7.7
+1.8.0