Merge pull request #3895 from thinkyhead/rc_singlenozzle_part_2

Marlin/Conditionals.h

Marlin/Configuration.h

Marlin/Configuration_adv.h

Marlin/Marlin_main.cpp

Marlin/SanityCheck.h

Marlin/boards.h

Marlin/configuration_store.cpp

Marlin/dogm_bitmaps.h

Marlin/dogm_lcd_implementation.h

Marlin/example_configurations/Felix/Configuration.h

Marlin/example_configurations/Felix/Configuration_adv.h

Marlin/example_configurations/Felix/DUAL/Configuration.h

Marlin/example_configurations/Hephestos/Configuration.h

Marlin/example_configurations/Hephestos/Configuration_adv.h

Marlin/example_configurations/Hephestos_2/Configuration.h

...in/example_configurations/Hephestos_2/Configuration_adv.h

Marlin/example_configurations/K8200/Configuration.h

Marlin/example_configurations/K8200/Configuration_adv.h

...le_configurations/RepRapWorld/Megatronics/Configuration.h

Marlin/example_configurations/RigidBot/Configuration.h