Merge branch 'master' into jgrpp

# Conflicts:
#	src/lang/simplified_chinese.txt
#	src/network/core/tcp_content.cpp
#	src/network/core/udp.cpp
#	src/network/network_server.cpp
#	src/saveload/linkgraph_sl.cpp
#	src/table/gameopt_settings.ini

cmake/InstallAndPackage.cmake

@@ -30,7 +30,9 @@ install(DIRECTORY
                 ${CMAKE_BINARY_DIR}/game
                 ${CMAKE_SOURCE_DIR}/bin/scripts
         DESTINATION ${DATA_DESTINATION_DIR}
-        COMPONENT language_files)
+        COMPONENT language_files
+        REGEX "ai/[^\.]+$" EXCLUDE # Ignore subdirs in ai dir
+)
 
 install(FILES
                 ${CMAKE_SOURCE_DIR}/COPYING.md