update Russian translation to latest changes
Merge pull request #41 from dassau/manual_en_v1.8

Manual en v1.8
Merge pull request #42 from dassau/manual_en_v1.8

Manual en v1.8
Merge pull request #43 from dassau/manual_en_v1.8

Manual en v1.8
Merge pull request #44 from dassau/manual_en_v1.8

Manual en v1.8
Merge pull request #45 from dassau/manual_en_v1.8

Manual en v1.8
Merge pull request #46 from dassau/manual_en_v1.8

Manual en v1.8
Merge pull request #47 from dassau/manual_en_v1.8

Manual en v1.8
Merge pull request #48 from dassau/manual_en_v1.8

Manual en v1.8
translations from Luis Felipe Cunha, Márcio Valério Weck Pereira, Mayara Matsu Marinho and Roseni Silva
gps files added
gps files added
Merge pull request #49 from ghtmtt/manual_en_v1.8

gps files