Merge pull request #6174 from thinkyhead/rc_ubl_continued

.travis.yml

Marlin/Configuration.h

Marlin/G26_Mesh_Validation_Tool.cpp

Marlin/M100_Free_Mem_Chk.cpp

Marlin/Marlin.h

Marlin/Marlin_main.cpp

Marlin/UBL.h

Marlin/UBL_Bed_Leveling.cpp

Marlin/UBL_G29.cpp

Marlin/UBL_line_to_destination.cpp

Marlin/configuration_store.cpp

Marlin/example_configurations/Cartesio/Configuration.h

Marlin/example_configurations/Felix/Configuration.h

Marlin/example_configurations/Felix/DUAL/Configuration.h

Marlin/example_configurations/Hephestos/Configuration.h

Marlin/example_configurations/Hephestos_2/Configuration.h

Marlin/example_configurations/K8200/Configuration.h

Marlin/example_configurations/K8400/Configuration.h

...in/example_configurations/K8400/Dual-head/Configuration.h

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