Merge pull request #5 from Courseplay/master

pull
Update translation_cs.xml

Complete Chinese translations
Update translation_cs.xml

Complete Chinese translations
Update translation_pt.xml
0246: hide "in traffic" in mode1 query
Merge pull request #828 from PTAzores/patch-1

Update translation_pt.xml
Merge pull request #826 from Simba76/master

Update Chinese translation
0247: syncronising combine check in mode2

#818
0247: step two of major changes in mode2
Update translation_ru.xml
Merge pull request #829 from Bernelli/patch-2

Update translation_ru.xml
0249: revert to default speeds when old speed system speeds are loaded
0250: simplified combine turning recognition
0251: added support for MEX5

#832
0252: update headland direction icons
0253: wheel friction test for devs
0254: fix syntax error in wheel friction function
0255: New turn diameter calculation (Developers Only for now)
Merge pull request #6 from Courseplay/master

pull
0256: added fix offset for MEX5

#832