Bump version to 1.2.0

build-cmake/CMakeLists.txt

 SET(PACKAGE protobuf-c)
 SET(PACKAGE_NAME protobuf-c)
-SET(PACKAGE_VERSION 1.1.1)
+SET(PACKAGE_VERSION 1.2.0)
 
 
 CMAKE_MINIMUM_REQUIRED(VERSION 2.8 FATAL_ERROR)

configure.ac

 AC_PREREQ(2.64)
 
 AC_INIT([protobuf-c],
-        [1.1.1],
+        [1.2.0],
         [https://github.com/protobuf-c/protobuf-c/issues],
         [protobuf-c],
         [https://github.com/protobuf-c/protobuf-c])

protobuf-c/protobuf-c.h

@@ -781,13 +781,13 @@ protobuf_c_version_number(void);
  * The version of the protobuf-c headers, represented as a string using the same
  * format as protobuf_c_version().
  */
-#define PROTOBUF_C_VERSION		"1.1.1"
+#define PROTOBUF_C_VERSION		"1.2.0"
 
 /**
  * The version of the protobuf-c headers, represented as an integer using the
  * same format as protobuf_c_version_number().
  */
-#define PROTOBUF_C_VERSION_NUMBER	1001001
+#define PROTOBUF_C_VERSION_NUMBER	1002000
 
 /**
  * The minimum protoc-c version which works with the current version of the