build: Set version to 0.5.90.

CMakeLists.txt

@@ -7,8 +7,8 @@ cmake_minimum_required(VERSION 2.6.0)
 set(APPLICATION_NAME ${PROJECT_NAME})
 
 set(APPLICATION_VERSION_MAJOR "0")
-set(APPLICATION_VERSION_MINOR "6")
-set(APPLICATION_VERSION_PATCH "0")
+set(APPLICATION_VERSION_MINOR "5")
+set(APPLICATION_VERSION_PATCH "90")
 
 set(APPLICATION_VERSION "${APPLICATION_VERSION_MAJOR}.${APPLICATION_VERSION_MINOR}.${APPLICATION_VERSION_PATCH}")