Change dev version to 5.1.2
Change dev version to 5.1.2

PolibudaInfo/diem,luiseduardohdbackup/diem,PolibudaInfo/diem,luiseduardohdbackup/diem,PolibudaInfo/diem,luiseduardohdbackup/diem,PolibudaInfo/diem,luiseduardohdbackup/diem