Only clamp panel movements if software endstops are enabled
Update language.h

I update the spanish Messages, now this compile for spanish language.
added MaKr3d Melzi board
added contrast control function for gLCDs
Merge pull request #535 from GabinoLopez/patch-1

Update language.h
no message
fixed missing #endif
Merge branch 'Marlin_v1' of https://github.com/makr3d/Marlin into makr3d-Marlin_v1
restored configuration.h defaults
Merge pull request #531 from iXce/Marlin_v1_lcd

Only clamp panel movements if software endstops are enabled
Merge remote-tracking branch 'upstream/Marlin_v1' into SUMPOD_Marlin