linux: added .desktop file for system menu

see #158

client/CMakeLists.txt

@@ -130,6 +130,11 @@ install(TARGETS traintastic-client
     RUNTIME DESTINATION "/opt/traintastic/bin/"
 )
 
+if(LINUX)
+  install(FILES ${CMAKE_SOURCE_DIR}/debian/traintastic-client.desktop DESTINATION share/applications)
+  install(FILES ${CMAKE_SOURCE_DIR}/debian/traintastic_256.png DESTINATION "/opt/traintastic/icons/")
+endif()
+
 ### BUILD TYPE ###
 
 if (CMAKE_BUILD_TYPE EQUAL "Release")

client/debian/traintastic-client.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Type=Application
+Name=Traintastic client
+Comment=Model railroad control and automation software
+Exec=/opt/traintastic/bin/traintastic-client
+Icon=/opt/traintastic/icons/traintastic_256.png
+Terminal=false
+Categories=Science;Engineering;