Update Marlin/language.h

Update Polish language 	#define MSG_RESUMING "Wznawiam drukowanie"
Italian language: remove space and some fix
Italian language: SD-Card change and SD-Card init
Merge pull request #397 from codenamepawel/patch-1

Update Marlin/language.h
Merge pull request #398 from DanieleSdei/Marlin_v1

Marlin v1, alignment of the Italian language