Merge branch 'master' into jgrpp

# Conflicts:
#	CMakeLists.txt
#	COMPILING.md
#	src/console.cpp
#	src/console_cmds.cpp
#	src/console_internal.h
#	src/rev.cpp.in

cmake/scripts/FindVersion.cmake

@@ -1,5 +1,15 @@
 cmake_minimum_required(VERSION 3.5)
 
+if(NOT REV_MAJOR)
+    set(REV_MAJOR 0)
+endif()
+if(NOT REV_MINOR)
+    set(REV_MINOR 0)
+endif()
+if(NOT REV_BUILD)
+    set(REV_BUILD 0)
+endif()
+
 #
 # Finds the current version of the current folder.
 #